177689980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{52571}}^1$

素因数の和:52606

約数の個数: 36

約数和(自身を含む): 404068392

約数和(自身を除く): 226378412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 52571, 105142, 210284, 262855, 525710, 683423, 1051420, 1366846, 2733692, 3417115, 6834230, 8884499, 13668460, 17768998, 35537996, 44422495, 88844990, 177689980]

約数ペア:

[(1, 177689980), (2, 88844990), (4, 44422495), (5, 35537996), (10, 17768998), (13, 13668460), (20, 8884499), (26, 6834230), (52, 3417115), (65, 2733692), (130, 1366846), (169, 1051420), (260, 683423), (338, 525710), (676, 262855), (845, 210284), (1690, 105142), (3380, 52571)]