56790140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 135494016

約数和(自身を除く): 78703876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 757, 1210, 1364, 1514, 1705, 2420, 3028, 3410, 3751, 3785, 6820, 7502, 7570, 8327, 15004, 15140, 16654, 18755, 23467, 33308, 37510, 41635, 46934, 75020, 83270, 91597, 93868, 117335, 166540, 183194, 234670, 258137, 366388, 457985, 469340, 516274, 915970, 1032548, 1290685, 1831940, 2581370, 2839507, 5162740, 5679014, 11358028, 14197535, 28395070, 56790140]

約数ペア:

[(1, 56790140), (2, 28395070), (4, 14197535), (5, 11358028), (10, 5679014), (11, 5162740), (20, 2839507), (22, 2581370), (31, 1831940), (44, 1290685), (55, 1032548), (62, 915970), (110, 516274), (121, 469340), (124, 457985), (155, 366388), (220, 258137), (242, 234670), (310, 183194), (341, 166540), (484, 117335), (605, 93868), (620, 91597), (682, 83270), (757, 75020), (1210, 46934), (1364, 41635), (1514, 37510), (1705, 33308), (2420, 23467), (3028, 18755), (3410, 16654), (3751, 15140), (3785, 15004), (6820, 8327), (7502, 7570)]