2491580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 6618528

約数和(自身を除く): 4126948

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 364, 370, 455, 481, 518, 740, 910, 962, 1036, 1295, 1369, 1820, 1924, 2405, 2590, 2738, 3367, 4810, 5180, 5476, 6734, 6845, 9583, 9620, 13468, 13690, 16835, 17797, 19166, 27380, 33670, 35594, 38332, 47915, 67340, 71188, 88985, 95830, 124579, 177970, 191660, 249158, 355940, 498316, 622895, 1245790, 2491580]

約数ペア:

[(1, 2491580), (2, 1245790), (4, 622895), (5, 498316), (7, 355940), (10, 249158), (13, 191660), (14, 177970), (20, 124579), (26, 95830), (28, 88985), (35, 71188), (37, 67340), (52, 47915), (65, 38332), (70, 35594), (74, 33670), (91, 27380), (130, 19166), (140, 17797), (148, 16835), (182, 13690), (185, 13468), (259, 9620), (260, 9583), (364, 6845), (370, 6734), (455, 5476), (481, 5180), (518, 4810), (740, 3367), (910, 2738), (962, 2590), (1036, 2405), (1295, 1924), (1369, 1820)]