399295260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1337

約数の個数: 288

約数和(自身を含む): 1570383360

約数和(自身を除く): 1171088100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 741, 780, 798, 819, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1283, 1330, 1365, 1482, 1596, 1638, 1710, 1729, 1820, 1995, 2223, 2340, 2394, 2470, 2566, 2660, 2730, 2964, 3276, 3420, 3458, 3705, 3849, 3990, 4095, 4446, 4788, 4940, 5132, 5187, 5460, 5985, 6415, 6916, 7410, 7698, 7980, 8190, 8645, 8892, 8981, 10374, 11115, 11547, 11970, 12830, 14820, 15396, 15561, 16380, 16679, 17290, 17962, 19245, 20748, 22230, 23094, 23940, 24377, 25660, 25935, 26943, 31122, 33358, 34580, 35924, 38490, 44460, 44905, 46188, 48754, 50037, 51870, 53886, 57735, 62244, 66716, 73131, 76980, 77805, 80829, 83395, 89810, 97508, 100074, 103740, 107772, 115470, 116753, 121885, 134715, 146262, 150111, 155610, 161658, 166790, 170639, 179620, 200148, 219393, 230940, 233506, 243770, 250185, 269430, 292524, 300222, 311220, 316901, 323316, 333580, 341278, 350259, 365655, 404145, 438786, 467012, 487540, 500370, 511917, 538860, 583765, 600444, 633802, 682556, 700518, 731310, 750555, 808290, 853195, 877572, 950703, 1000740, 1023834, 1050777, 1096965, 1167530, 1267604, 1401036, 1462620, 1501110, 1535751, 1584505, 1616580, 1706390, 1751295, 1901406, 2047668, 2101554, 2193930, 2218307, 2335060, 2559585, 2852109, 3002220, 3071502, 3169010, 3412780, 3502590, 3802812, 4203108, 4387860, 4436614, 4753515, 5119170, 5253885, 5704218, 6143004, 6338020, 6654921, 7005180, 7678755, 8873228, 9507030, 10238340, 10507770, 11091535, 11408436, 13309842, 14260545, 15357510, 19014060, 19964763, 21015540, 22183070, 26619684, 28521090, 30715020, 33274605, 39929526, 44366140, 57042180, 66549210, 79859052, 99823815, 133098420, 199647630, 399295260]

約数ペア:

[(1, 399295260), (2, 199647630), (3, 133098420), (4, 99823815), (5, 79859052), (6, 66549210), (7, 57042180), (9, 44366140), (10, 39929526), (12, 33274605), (13, 30715020), (14, 28521090), (15, 26619684), (18, 22183070), (19, 21015540), (20, 19964763), (21, 19014060), (26, 15357510), (28, 14260545), (30, 13309842), (35, 11408436), (36, 11091535), (38, 10507770), (39, 10238340), (42, 9507030), (45, 8873228), (52, 7678755), (57, 7005180), (60, 6654921), (63, 6338020), (65, 6143004), (70, 5704218), (76, 5253885), (78, 5119170), (84, 4753515), (90, 4436614), (91, 4387860), (95, 4203108), (105, 3802812), (114, 3502590), (117, 3412780), (126, 3169010), (130, 3071502), (133, 3002220), (140, 2852109), (156, 2559585), (171, 2335060), (180, 2218307), (182, 2193930), (190, 2101554), (195, 2047668), (210, 1901406), (228, 1751295), (234, 1706390), (247, 1616580), (252, 1584505), (260, 1535751), (266, 1501110), (273, 1462620), (285, 1401036), (315, 1267604), (342, 1167530), (364, 1096965), (380, 1050777), (390, 1023834), (399, 1000740), (420, 950703), (455, 877572), (468, 853195), (494, 808290), (532, 750555), (546, 731310), (570, 700518), (585, 682556), (630, 633802), (665, 600444), (684, 583765), (741, 538860), (780, 511917), (798, 500370), (819, 487540), (855, 467012), (910, 438786), (988, 404145), (1092, 365655), (1140, 350259), (1170, 341278), (1197, 333580), (1235, 323316), (1260, 316901), (1283, 311220), (1330, 300222), (1365, 292524), (1482, 269430), (1596, 250185), (1638, 243770), (1710, 233506), (1729, 230940), (1820, 219393), (1995, 200148), (2223, 179620), (2340, 170639), (2394, 166790), (2470, 161658), (2566, 155610), (2660, 150111), (2730, 146262), (2964, 134715), (3276, 121885), (3420, 116753), (3458, 115470), (3705, 107772), (3849, 103740), (3990, 100074), (4095, 97508), (4446, 89810), (4788, 83395), (4940, 80829), (5132, 77805), (5187, 76980), (5460, 73131), (5985, 66716), (6415, 62244), (6916, 57735), (7410, 53886), (7698, 51870), (7980, 50037), (8190, 48754), (8645, 46188), (8892, 44905), (8981, 44460), (10374, 38490), (11115, 35924), (11547, 34580), (11970, 33358), (12830, 31122), (14820, 26943), (15396, 25935), (15561, 25660), (16380, 24377), (16679, 23940), (17290, 23094), (17962, 22230), (19245, 20748)]