28976360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{433}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 74995200

約数和(自身を除く): 46018840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 433, 478, 866, 956, 1195, 1673, 1732, 1912, 2165, 2390, 3031, 3346, 3464, 4330, 4780, 6062, 6692, 8365, 8660, 9560, 12124, 13384, 15155, 16730, 17320, 24248, 30310, 33460, 60620, 66920, 103487, 121240, 206974, 413948, 517435, 724409, 827896, 1034870, 1448818, 2069740, 2897636, 3622045, 4139480, 5795272, 7244090, 14488180, 28976360]

約数ペア:

[(1, 28976360), (2, 14488180), (4, 7244090), (5, 5795272), (7, 4139480), (8, 3622045), (10, 2897636), (14, 2069740), (20, 1448818), (28, 1034870), (35, 827896), (40, 724409), (56, 517435), (70, 413948), (140, 206974), (239, 121240), (280, 103487), (433, 66920), (478, 60620), (866, 33460), (956, 30310), (1195, 24248), (1673, 17320), (1732, 16730), (1912, 15155), (2165, 13384), (2390, 12124), (3031, 9560), (3346, 8660), (3464, 8365), (4330, 6692), (4780, 6062)]