247212420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2383}}^1$

素因数の和:2434

約数の個数: 192

約数和(自身を含む): 897146880

約数和(自身を除く): 649934460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 182, 190, 195, 210, 228, 247, 260, 266, 273, 285, 364, 380, 390, 399, 420, 455, 494, 532, 546, 570, 665, 741, 780, 798, 910, 988, 1092, 1140, 1235, 1330, 1365, 1482, 1596, 1729, 1820, 1995, 2383, 2470, 2660, 2730, 2964, 3458, 3705, 3990, 4766, 4940, 5187, 5460, 6916, 7149, 7410, 7980, 8645, 9532, 10374, 11915, 14298, 14820, 16681, 17290, 20748, 23830, 25935, 28596, 30979, 33362, 34580, 35745, 45277, 47660, 50043, 51870, 61958, 66724, 71490, 83405, 90554, 92937, 100086, 103740, 123916, 135831, 142980, 154895, 166810, 181108, 185874, 200172, 216853, 226385, 250215, 271662, 309790, 316939, 333620, 371748, 433706, 452770, 464685, 500430, 543324, 588601, 619580, 633878, 650559, 679155, 867412, 905540, 929370, 950817, 1000860, 1084265, 1177202, 1267756, 1301118, 1358310, 1584695, 1765803, 1858740, 1901634, 2168530, 2354404, 2602236, 2716620, 2943005, 3169390, 3252795, 3531606, 3803268, 4120207, 4337060, 4754085, 5886010, 6338780, 6505590, 7063212, 8240414, 8829015, 9508170, 11772020, 12360621, 13011180, 16480828, 17658030, 19016340, 20601035, 24721242, 35316060, 41202070, 49442484, 61803105, 82404140, 123606210, 247212420]

約数ペア:

[(1, 247212420), (2, 123606210), (3, 82404140), (4, 61803105), (5, 49442484), (6, 41202070), (7, 35316060), (10, 24721242), (12, 20601035), (13, 19016340), (14, 17658030), (15, 16480828), (19, 13011180), (20, 12360621), (21, 11772020), (26, 9508170), (28, 8829015), (30, 8240414), (35, 7063212), (38, 6505590), (39, 6338780), (42, 5886010), (52, 4754085), (57, 4337060), (60, 4120207), (65, 3803268), (70, 3531606), (76, 3252795), (78, 3169390), (84, 2943005), (91, 2716620), (95, 2602236), (105, 2354404), (114, 2168530), (130, 1901634), (133, 1858740), (140, 1765803), (156, 1584695), (182, 1358310), (190, 1301118), (195, 1267756), (210, 1177202), (228, 1084265), (247, 1000860), (260, 950817), (266, 929370), (273, 905540), (285, 867412), (364, 679155), (380, 650559), (390, 633878), (399, 619580), (420, 588601), (455, 543324), (494, 500430), (532, 464685), (546, 452770), (570, 433706), (665, 371748), (741, 333620), (780, 316939), (798, 309790), (910, 271662), (988, 250215), (1092, 226385), (1140, 216853), (1235, 200172), (1330, 185874), (1365, 181108), (1482, 166810), (1596, 154895), (1729, 142980), (1820, 135831), (1995, 123916), (2383, 103740), (2470, 100086), (2660, 92937), (2730, 90554), (2964, 83405), (3458, 71490), (3705, 66724), (3990, 61958), (4766, 51870), (4940, 50043), (5187, 47660), (5460, 45277), (6916, 35745), (7149, 34580), (7410, 33362), (7980, 30979), (8645, 28596), (9532, 25935), (10374, 23830), (11915, 20748), (14298, 17290), (14820, 16681)]