78379780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{757}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 171150336

約数和(自身を除く): 92770556

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 757, 835, 1514, 1670, 3028, 3340, 3785, 5177, 7570, 10354, 15140, 20708, 23467, 25885, 46934, 51770, 93868, 103540, 117335, 126419, 234670, 252838, 469340, 505676, 632095, 1264190, 2528380, 3918989, 7837978, 15675956, 19594945, 39189890, 78379780]

約数ペア:

[(1, 78379780), (2, 39189890), (4, 19594945), (5, 15675956), (10, 7837978), (20, 3918989), (31, 2528380), (62, 1264190), (124, 632095), (155, 505676), (167, 469340), (310, 252838), (334, 234670), (620, 126419), (668, 117335), (757, 103540), (835, 93868), (1514, 51770), (1670, 46934), (3028, 25885), (3340, 23467), (3785, 20708), (5177, 15140), (7570, 10354)]