1291275580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3511}}^1$

素因数の和:3635

約数の個数: 96

約数和(自身を含む): 3228567552

約数和(自身を除く): 1937291972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 71, 74, 140, 142, 148, 185, 259, 284, 355, 370, 497, 518, 710, 740, 994, 1036, 1295, 1420, 1988, 2485, 2590, 2627, 3511, 4970, 5180, 5254, 7022, 9940, 10508, 13135, 14044, 17555, 18389, 24577, 26270, 35110, 36778, 49154, 52540, 70220, 73556, 91945, 98308, 122885, 129907, 183890, 245770, 249281, 259814, 367780, 491540, 498562, 519628, 649535, 909349, 997124, 1246405, 1299070, 1744967, 1818698, 2492810, 2598140, 3489934, 3637396, 4546745, 4985620, 6979868, 8724835, 9093490, 9223397, 17449670, 18186980, 18446794, 34899340, 36893588, 46116985, 64563779, 92233970, 129127558, 184467940, 258255116, 322818895, 645637790, 1291275580]

約数ペア:

[(1, 1291275580), (2, 645637790), (4, 322818895), (5, 258255116), (7, 184467940), (10, 129127558), (14, 92233970), (20, 64563779), (28, 46116985), (35, 36893588), (37, 34899340), (70, 18446794), (71, 18186980), (74, 17449670), (140, 9223397), (142, 9093490), (148, 8724835), (185, 6979868), (259, 4985620), (284, 4546745), (355, 3637396), (370, 3489934), (497, 2598140), (518, 2492810), (710, 1818698), (740, 1744967), (994, 1299070), (1036, 1246405), (1295, 997124), (1420, 909349), (1988, 649535), (2485, 519628), (2590, 498562), (2627, 491540), (3511, 367780), (4970, 259814), (5180, 249281), (5254, 245770), (7022, 183890), (9940, 129907), (10508, 122885), (13135, 98308), (14044, 91945), (17555, 73556), (18389, 70220), (24577, 52540), (26270, 49154), (35110, 36778)]