87649940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2687}}^1$

素因数の和:2936

約数の個数: 48

約数和(自身を含む): 211341312

約数和(自身を除く): 123691372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1631, 2330, 2687, 3262, 4660, 5374, 6524, 8155, 10748, 13435, 16310, 18809, 26870, 32620, 37618, 53740, 75236, 94045, 188090, 376180, 626071, 1252142, 2504284, 3130355, 4382497, 6260710, 8764994, 12521420, 17529988, 21912485, 43824970, 87649940]

約数ペア:

[(1, 87649940), (2, 43824970), (4, 21912485), (5, 17529988), (7, 12521420), (10, 8764994), (14, 6260710), (20, 4382497), (28, 3130355), (35, 2504284), (70, 1252142), (140, 626071), (233, 376180), (466, 188090), (932, 94045), (1165, 75236), (1631, 53740), (2330, 37618), (2687, 32620), (3262, 26870), (4660, 18809), (5374, 16310), (6524, 13435), (8155, 10748)]