2885287580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{5651}}^1$

素因数の和:6195

約数の個数: 72

約数和(自身を含む): 7063123536

約数和(自身を除く): 4177835956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 521, 980, 1042, 2084, 2605, 3647, 5210, 5651, 7294, 10420, 11302, 14588, 18235, 22604, 25529, 28255, 36470, 39557, 51058, 56510, 72940, 79114, 102116, 113020, 127645, 158228, 197785, 255290, 276899, 395570, 510580, 553798, 791140, 1107596, 1384495, 2768990, 2944171, 5537980, 5888342, 11776684, 14720855, 20609197, 29441710, 41218394, 58883420, 82436788, 103045985, 144264379, 206091970, 288528758, 412183940, 577057516, 721321895, 1442643790, 2885287580]

約数ペア:

[(1, 2885287580), (2, 1442643790), (4, 721321895), (5, 577057516), (7, 412183940), (10, 288528758), (14, 206091970), (20, 144264379), (28, 103045985), (35, 82436788), (49, 58883420), (70, 41218394), (98, 29441710), (140, 20609197), (196, 14720855), (245, 11776684), (490, 5888342), (521, 5537980), (980, 2944171), (1042, 2768990), (2084, 1384495), (2605, 1107596), (3647, 791140), (5210, 553798), (5651, 510580), (7294, 395570), (10420, 276899), (11302, 255290), (14588, 197785), (18235, 158228), (22604, 127645), (25529, 113020), (28255, 102116), (36470, 79114), (39557, 72940), (51058, 56510)]