130829960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 313107120

約数和(自身を除く): 182277160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 421, 457, 680, 842, 914, 1684, 1828, 2105, 2285, 3368, 3656, 4210, 4570, 7157, 7769, 8420, 9140, 14314, 15538, 16840, 18280, 28628, 31076, 35785, 38845, 57256, 62152, 71570, 77690, 143140, 155380, 192397, 286280, 310760, 384794, 769588, 961985, 1539176, 1923970, 3270749, 3847940, 6541498, 7695880, 13082996, 16353745, 26165992, 32707490, 65414980, 130829960]

約数ペア:

[(1, 130829960), (2, 65414980), (4, 32707490), (5, 26165992), (8, 16353745), (10, 13082996), (17, 7695880), (20, 6541498), (34, 3847940), (40, 3270749), (68, 1923970), (85, 1539176), (136, 961985), (170, 769588), (340, 384794), (421, 310760), (457, 286280), (680, 192397), (842, 155380), (914, 143140), (1684, 77690), (1828, 71570), (2105, 62152), (2285, 57256), (3368, 38845), (3656, 35785), (4210, 31076), (4570, 28628), (7157, 18280), (7769, 16840), (8420, 15538), (9140, 14314)]