27400090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 55260000

約数和(自身を除く): 27859910

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 289, 323, 499, 578, 646, 998, 1445, 1615, 2495, 2890, 3230, 4990, 5491, 8483, 9481, 10982, 16966, 18962, 27455, 42415, 47405, 54910, 84830, 94810, 144211, 161177, 288422, 322354, 721055, 805885, 1442110, 1611770, 2740009, 5480018, 13700045, 27400090]

約数ペア:

[(1, 27400090), (2, 13700045), (5, 5480018), (10, 2740009), (17, 1611770), (19, 1442110), (34, 805885), (38, 721055), (85, 322354), (95, 288422), (170, 161177), (190, 144211), (289, 94810), (323, 84830), (499, 54910), (578, 47405), (646, 42415), (998, 27455), (1445, 18962), (1615, 16966), (2495, 10982), (2890, 9481), (3230, 8483), (4990, 5491)]