28037940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 90418944

約数和(自身を除く): 62381004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 241, 277, 420, 482, 554, 723, 831, 964, 1108, 1205, 1385, 1446, 1662, 1687, 1939, 2410, 2770, 2892, 3324, 3374, 3615, 3878, 4155, 4820, 5061, 5540, 5817, 6748, 7230, 7756, 8310, 8435, 9695, 10122, 11634, 14460, 16620, 16870, 19390, 20244, 23268, 25305, 29085, 33740, 38780, 50610, 58170, 66757, 101220, 116340, 133514, 200271, 267028, 333785, 400542, 467299, 667570, 801084, 934598, 1001355, 1335140, 1401897, 1869196, 2002710, 2336495, 2803794, 4005420, 4672990, 5607588, 7009485, 9345980, 14018970, 28037940]

約数ペア:

[(1, 28037940), (2, 14018970), (3, 9345980), (4, 7009485), (5, 5607588), (6, 4672990), (7, 4005420), (10, 2803794), (12, 2336495), (14, 2002710), (15, 1869196), (20, 1401897), (21, 1335140), (28, 1001355), (30, 934598), (35, 801084), (42, 667570), (60, 467299), (70, 400542), (84, 333785), (105, 267028), (140, 200271), (210, 133514), (241, 116340), (277, 101220), (420, 66757), (482, 58170), (554, 50610), (723, 38780), (831, 33740), (964, 29085), (1108, 25305), (1205, 23268), (1385, 20244), (1446, 19390), (1662, 16870), (1687, 16620), (1939, 14460), (2410, 11634), (2770, 10122), (2892, 9695), (3324, 8435), (3374, 8310), (3615, 7756), (3878, 7230), (4155, 6748), (4820, 5817), (5061, 5540)]