399655620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2711}}^1$

素因数の和:2752

約数の個数: 240

約数和(自身を含む): 1543627008

約数和(自身を除く): 1143971388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 910, 945, 1053, 1092, 1134, 1170, 1260, 1365, 1404, 1620, 1638, 1755, 1820, 1890, 2106, 2268, 2340, 2457, 2711, 2730, 2835, 3276, 3510, 3780, 4095, 4212, 4914, 5265, 5422, 5460, 5670, 7020, 7371, 8133, 8190, 9828, 10530, 10844, 11340, 12285, 13555, 14742, 16266, 16380, 18977, 21060, 24399, 24570, 27110, 29484, 32532, 35243, 36855, 37954, 40665, 48798, 49140, 54220, 56931, 70486, 73197, 73710, 75908, 81330, 94885, 97596, 105729, 113862, 121995, 140972, 146394, 147420, 162660, 170793, 176215, 189770, 211458, 219591, 227724, 243990, 246701, 284655, 292788, 317187, 341586, 352430, 365985, 379540, 422916, 439182, 487980, 493402, 512379, 528645, 569310, 634374, 683172, 704860, 731970, 740103, 853965, 878364, 951561, 986804, 1024758, 1057290, 1097955, 1138620, 1233505, 1268748, 1463940, 1480206, 1537137, 1585935, 1707930, 1903122, 2049516, 2114580, 2195910, 2220309, 2467010, 2561895, 2854683, 2960412, 3074274, 3171870, 3415860, 3700515, 3806244, 4391820, 4440618, 4757805, 4934020, 5123790, 5709366, 6148548, 6343740, 6660927, 7401030, 7685685, 8881236, 9515610, 10247580, 11101545, 11418732, 13321854, 14273415, 14802060, 15371370, 19031220, 19982781, 22203090, 26643708, 28546830, 30742740, 33304635, 39965562, 44406180, 57093660, 66609270, 79931124, 99913905, 133218540, 199827810, 399655620]

約数ペア:

[(1, 399655620), (2, 199827810), (3, 133218540), (4, 99913905), (5, 79931124), (6, 66609270), (7, 57093660), (9, 44406180), (10, 39965562), (12, 33304635), (13, 30742740), (14, 28546830), (15, 26643708), (18, 22203090), (20, 19982781), (21, 19031220), (26, 15371370), (27, 14802060), (28, 14273415), (30, 13321854), (35, 11418732), (36, 11101545), (39, 10247580), (42, 9515610), (45, 8881236), (52, 7685685), (54, 7401030), (60, 6660927), (63, 6343740), (65, 6148548), (70, 5709366), (78, 5123790), (81, 4934020), (84, 4757805), (90, 4440618), (91, 4391820), (105, 3806244), (108, 3700515), (117, 3415860), (126, 3171870), (130, 3074274), (135, 2960412), (140, 2854683), (156, 2561895), (162, 2467010), (180, 2220309), (182, 2195910), (189, 2114580), (195, 2049516), (210, 1903122), (234, 1707930), (252, 1585935), (260, 1537137), (270, 1480206), (273, 1463940), (315, 1268748), (324, 1233505), (351, 1138620), (364, 1097955), (378, 1057290), (390, 1024758), (405, 986804), (420, 951561), (455, 878364), (468, 853965), (540, 740103), (546, 731970), (567, 704860), (585, 683172), (630, 634374), (702, 569310), (756, 528645), (780, 512379), (810, 493402), (819, 487980), (910, 439182), (945, 422916), (1053, 379540), (1092, 365985), (1134, 352430), (1170, 341586), (1260, 317187), (1365, 292788), (1404, 284655), (1620, 246701), (1638, 243990), (1755, 227724), (1820, 219591), (1890, 211458), (2106, 189770), (2268, 176215), (2340, 170793), (2457, 162660), (2711, 147420), (2730, 146394), (2835, 140972), (3276, 121995), (3510, 113862), (3780, 105729), (4095, 97596), (4212, 94885), (4914, 81330), (5265, 75908), (5422, 73710), (5460, 73197), (5670, 70486), (7020, 56931), (7371, 54220), (8133, 49140), (8190, 48798), (9828, 40665), (10530, 37954), (10844, 36855), (11340, 35243), (12285, 32532), (13555, 29484), (14742, 27110), (16266, 24570), (16380, 24399), (18977, 21060)]