88568980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 197781696

約数和(自身を除く): 109212716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 331, 340, 662, 787, 1324, 1574, 1655, 3148, 3310, 3935, 5627, 6620, 7870, 11254, 13379, 15740, 22508, 26758, 28135, 53516, 56270, 66895, 112540, 133790, 260497, 267580, 520994, 1041988, 1302485, 2604970, 4428449, 5209940, 8856898, 17713796, 22142245, 44284490, 88568980]

約数ペア:

[(1, 88568980), (2, 44284490), (4, 22142245), (5, 17713796), (10, 8856898), (17, 5209940), (20, 4428449), (34, 2604970), (68, 1302485), (85, 1041988), (170, 520994), (331, 267580), (340, 260497), (662, 133790), (787, 112540), (1324, 66895), (1574, 56270), (1655, 53516), (3148, 28135), (3310, 26758), (3935, 22508), (5627, 15740), (6620, 13379), (7870, 11254)]