100505720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11579}}^1$

素因数の和:11628

約数の個数: 64

約数和(自身を含む): 266803200

約数和(自身を除く): 166297480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 11579, 23158, 46316, 57895, 81053, 92632, 115790, 162106, 231580, 324212, 358949, 405265, 463160, 648424, 717898, 810530, 1435796, 1621060, 1794745, 2512643, 2871592, 3242120, 3589490, 5025286, 7178980, 10050572, 12563215, 14357960, 20101144, 25126430, 50252860, 100505720]

約数ペア:

[(1, 100505720), (2, 50252860), (4, 25126430), (5, 20101144), (7, 14357960), (8, 12563215), (10, 10050572), (14, 7178980), (20, 5025286), (28, 3589490), (31, 3242120), (35, 2871592), (40, 2512643), (56, 1794745), (62, 1621060), (70, 1435796), (124, 810530), (140, 717898), (155, 648424), (217, 463160), (248, 405265), (280, 358949), (310, 324212), (434, 231580), (620, 162106), (868, 115790), (1085, 92632), (1240, 81053), (1736, 57895), (2170, 46316), (4340, 23158), (8680, 11579)]