123726980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{1019}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 280687680

約数和(自身を除く): 156960700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 467, 934, 1019, 1868, 2038, 2335, 4076, 4670, 5095, 6071, 9340, 10190, 12142, 13247, 20380, 24284, 26494, 30355, 52988, 60710, 66235, 121420, 132470, 264940, 475873, 951746, 1903492, 2379365, 4758730, 6186349, 9517460, 12372698, 24745396, 30931745, 61863490, 123726980]

約数ペア:

[(1, 123726980), (2, 61863490), (4, 30931745), (5, 24745396), (10, 12372698), (13, 9517460), (20, 6186349), (26, 4758730), (52, 2379365), (65, 1903492), (130, 951746), (260, 475873), (467, 264940), (934, 132470), (1019, 121420), (1868, 66235), (2038, 60710), (2335, 52988), (4076, 30355), (4670, 26494), (5095, 24284), (6071, 20380), (9340, 13247), (10190, 12142)]