8964890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 9421030

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 239, 242, 310, 341, 478, 605, 682, 1195, 1210, 1705, 2390, 2629, 3410, 3751, 5258, 7409, 7502, 13145, 14818, 18755, 26290, 28919, 37045, 37510, 57838, 74090, 81499, 144595, 162998, 289190, 407495, 814990, 896489, 1792978, 4482445, 8964890]

約数ペア:

[(1, 8964890), (2, 4482445), (5, 1792978), (10, 896489), (11, 814990), (22, 407495), (31, 289190), (55, 162998), (62, 144595), (110, 81499), (121, 74090), (155, 57838), (239, 37510), (242, 37045), (310, 28919), (341, 26290), (478, 18755), (605, 14818), (682, 13145), (1195, 7502), (1210, 7409), (1705, 5258), (2390, 3751), (2629, 3410)]