4447880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 10990080

約数和(自身を除く): 6542200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 211, 248, 310, 340, 422, 527, 620, 680, 844, 1054, 1055, 1240, 1688, 2108, 2110, 2635, 3587, 4216, 4220, 5270, 6541, 7174, 8440, 10540, 13082, 14348, 17935, 21080, 26164, 28696, 32705, 35870, 52328, 65410, 71740, 111197, 130820, 143480, 222394, 261640, 444788, 555985, 889576, 1111970, 2223940, 4447880]

約数ペア:

[(1, 4447880), (2, 2223940), (4, 1111970), (5, 889576), (8, 555985), (10, 444788), (17, 261640), (20, 222394), (31, 143480), (34, 130820), (40, 111197), (62, 71740), (68, 65410), (85, 52328), (124, 35870), (136, 32705), (155, 28696), (170, 26164), (211, 21080), (248, 17935), (310, 14348), (340, 13082), (422, 10540), (527, 8440), (620, 7174), (680, 6541), (844, 5270), (1054, 4220), (1055, 4216), (1240, 3587), (1688, 2635), (2108, 2110)]