304172500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^2\times {\mathrm{421}}^1$

素因数の和:479

約数の個数: 90

約数和(自身を含む): 708271718

約数和(自身を除く): 404099218

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 289, 340, 421, 425, 500, 578, 625, 842, 850, 1156, 1250, 1445, 1684, 1700, 2105, 2125, 2500, 2890, 4210, 4250, 5780, 7157, 7225, 8420, 8500, 10525, 10625, 14314, 14450, 21050, 21250, 28628, 28900, 35785, 36125, 42100, 42500, 52625, 71570, 72250, 105250, 121669, 143140, 144500, 178925, 180625, 210500, 243338, 263125, 357850, 361250, 486676, 526250, 608345, 715700, 722500, 894625, 1052500, 1216690, 1789250, 2433380, 3041725, 3578500, 4473125, 6083450, 8946250, 12166900, 15208625, 17892500, 30417250, 60834500, 76043125, 152086250, 304172500]

約数ペア:

[(1, 304172500), (2, 152086250), (4, 76043125), (5, 60834500), (10, 30417250), (17, 17892500), (20, 15208625), (25, 12166900), (34, 8946250), (50, 6083450), (68, 4473125), (85, 3578500), (100, 3041725), (125, 2433380), (170, 1789250), (250, 1216690), (289, 1052500), (340, 894625), (421, 722500), (425, 715700), (500, 608345), (578, 526250), (625, 486676), (842, 361250), (850, 357850), (1156, 263125), (1250, 243338), (1445, 210500), (1684, 180625), (1700, 178925), (2105, 144500), (2125, 143140), (2500, 121669), (2890, 105250), (4210, 72250), (4250, 71570), (5780, 52625), (7157, 42500), (7225, 42100), (8420, 36125), (8500, 35785), (10525, 28900), (10625, 28628), (14314, 21250), (14450, 21050)]