103349740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20921}}^1$

素因数の和:20962

約数の個数: 48

約数和(自身を含む): 246042720

約数和(自身を除く): 142692980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 20921, 41842, 83684, 104605, 209210, 271973, 397499, 418420, 543946, 794998, 1087892, 1359865, 1589996, 1987495, 2719730, 3974990, 5167487, 5439460, 7949980, 10334974, 20669948, 25837435, 51674870, 103349740]

約数ペア:

[(1, 103349740), (2, 51674870), (4, 25837435), (5, 20669948), (10, 10334974), (13, 7949980), (19, 5439460), (20, 5167487), (26, 3974990), (38, 2719730), (52, 1987495), (65, 1589996), (76, 1359865), (95, 1087892), (130, 794998), (190, 543946), (247, 418420), (260, 397499), (380, 271973), (494, 209210), (988, 104605), (1235, 83684), (2470, 41842), (4940, 20921)]