253558760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1699}}^1$

素因数の和:1771

約数の個数: 128

約数和(自身を含む): 719712000

約数和(自身を除く): 466153240

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, 1699, 1820, 2132, 2296, 2665, 2870, 3398, 3640, 3731, 4264, 5330, 5740, 6796, 7462, 8495, 10660, 11480, 11893, 13592, 14924, 16990, 18655, 21320, 22087, 23786, 29848, 33980, 37310, 44174, 47572, 59465, 67960, 69659, 74620, 88348, 95144, 110435, 118930, 139318, 149240, 154609, 176696, 220870, 237860, 278636, 309218, 348295, 441740, 475720, 487613, 557272, 618436, 696590, 773045, 883480, 905567, 975226, 1236872, 1393180, 1546090, 1811134, 1950452, 2438065, 2786360, 3092180, 3622268, 3900904, 4527835, 4876130, 6184360, 6338969, 7244536, 9055670, 9752260, 12677938, 18111340, 19504520, 25355876, 31694845, 36222680, 50711752, 63389690, 126779380, 253558760]

約数ペア:

[(1, 253558760), (2, 126779380), (4, 63389690), (5, 50711752), (7, 36222680), (8, 31694845), (10, 25355876), (13, 19504520), (14, 18111340), (20, 12677938), (26, 9752260), (28, 9055670), (35, 7244536), (40, 6338969), (41, 6184360), (52, 4876130), (56, 4527835), (65, 3900904), (70, 3622268), (82, 3092180), (91, 2786360), (104, 2438065), (130, 1950452), (140, 1811134), (164, 1546090), (182, 1393180), (205, 1236872), (260, 975226), (280, 905567), (287, 883480), (328, 773045), (364, 696590), (410, 618436), (455, 557272), (520, 487613), (533, 475720), (574, 441740), (728, 348295), (820, 309218), (910, 278636), (1066, 237860), (1148, 220870), (1435, 176696), (1640, 154609), (1699, 149240), (1820, 139318), (2132, 118930), (2296, 110435), (2665, 95144), (2870, 88348), (3398, 74620), (3640, 69659), (3731, 67960), (4264, 59465), (5330, 47572), (5740, 44174), (6796, 37310), (7462, 33980), (8495, 29848), (10660, 23786), (11480, 22087), (11893, 21320), (13592, 18655), (14924, 16990)]