203421320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{17597}}^1$

素因数の和:17642

約数の個数: 48

約数和(自身を含む): 486232740

約数和(自身を除く): 282811420

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 17597, 35194, 70388, 87985, 140776, 175970, 299149, 351940, 598298, 703880, 1196596, 1495745, 2393192, 2991490, 5085533, 5982980, 10171066, 11965960, 20342132, 25427665, 40684264, 50855330, 101710660, 203421320]

約数ペア:

[(1, 203421320), (2, 101710660), (4, 50855330), (5, 40684264), (8, 25427665), (10, 20342132), (17, 11965960), (20, 10171066), (34, 5982980), (40, 5085533), (68, 2991490), (85, 2393192), (136, 1495745), (170, 1196596), (289, 703880), (340, 598298), (578, 351940), (680, 299149), (1156, 175970), (1445, 140776), (2312, 87985), (2890, 70388), (5780, 35194), (11560, 17597)]