7767620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 18845568

約数和(自身を除く): 11077948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 491, 565, 791, 982, 1130, 1582, 1964, 2260, 2455, 3164, 3437, 3955, 4910, 6874, 7910, 9820, 13748, 15820, 17185, 34370, 55483, 68740, 110966, 221932, 277415, 388381, 554830, 776762, 1109660, 1553524, 1941905, 3883810, 7767620]

約数ペア:

[(1, 7767620), (2, 3883810), (4, 1941905), (5, 1553524), (7, 1109660), (10, 776762), (14, 554830), (20, 388381), (28, 277415), (35, 221932), (70, 110966), (113, 68740), (140, 55483), (226, 34370), (452, 17185), (491, 15820), (565, 13748), (791, 9820), (982, 7910), (1130, 6874), (1582, 4910), (1964, 3955), (2260, 3437), (2455, 3164)]