520996840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3491}}^1$

素因数の和:3563

約数の個数: 128

約数和(自身を含む): 1478373120

約数和(自身を除く): 957376280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1640, 1820, 2132, 2296, 2665, 2870, 3491, 3640, 3731, 4264, 5330, 5740, 6982, 7462, 10660, 11480, 13964, 14924, 17455, 18655, 21320, 24437, 27928, 29848, 34910, 37310, 45383, 48874, 69820, 74620, 90766, 97748, 122185, 139640, 143131, 149240, 181532, 195496, 226915, 244370, 286262, 317681, 363064, 453830, 488740, 572524, 635362, 715655, 907660, 977480, 1001917, 1145048, 1270724, 1431310, 1588405, 1815320, 1860703, 2003834, 2541448, 2862620, 3176810, 3721406, 4007668, 5009585, 5725240, 6353620, 7442812, 8015336, 9303515, 10019170, 12707240, 13024921, 14885624, 18607030, 20038340, 26049842, 37214060, 40076680, 52099684, 65124605, 74428120, 104199368, 130249210, 260498420, 520996840]

約数ペア:

[(1, 520996840), (2, 260498420), (4, 130249210), (5, 104199368), (7, 74428120), (8, 65124605), (10, 52099684), (13, 40076680), (14, 37214060), (20, 26049842), (26, 20038340), (28, 18607030), (35, 14885624), (40, 13024921), (41, 12707240), (52, 10019170), (56, 9303515), (65, 8015336), (70, 7442812), (82, 6353620), (91, 5725240), (104, 5009585), (130, 4007668), (140, 3721406), (164, 3176810), (182, 2862620), (205, 2541448), (260, 2003834), (280, 1860703), (287, 1815320), (328, 1588405), (364, 1431310), (410, 1270724), (455, 1145048), (520, 1001917), (533, 977480), (574, 907660), (728, 715655), (820, 635362), (910, 572524), (1066, 488740), (1148, 453830), (1435, 363064), (1640, 317681), (1820, 286262), (2132, 244370), (2296, 226915), (2665, 195496), (2870, 181532), (3491, 149240), (3640, 143131), (3731, 139640), (4264, 122185), (5330, 97748), (5740, 90766), (6982, 74620), (7462, 69820), (10660, 48874), (11480, 45383), (13964, 37310), (14924, 34910), (17455, 29848), (18655, 27928), (21320, 24437)]