204533290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4871}}^1$

素因数の和:4927

約数の個数: 64

約数和(自身を含む): 441987840

約数和(自身を除く): 237454550

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 2210, 2470, 3230, 4199, 4871, 8398, 9742, 20995, 24355, 41990, 48710, 63323, 82807, 92549, 126646, 165614, 185098, 316615, 414035, 462745, 633230, 828070, 925490, 1076491, 1203137, 1573333, 2152982, 2406274, 3146666, 5382455, 6015685, 7866665, 10764910, 12031370, 15733330, 20453329, 40906658, 102266645, 204533290]

約数ペア:

[(1, 204533290), (2, 102266645), (5, 40906658), (10, 20453329), (13, 15733330), (17, 12031370), (19, 10764910), (26, 7866665), (34, 6015685), (38, 5382455), (65, 3146666), (85, 2406274), (95, 2152982), (130, 1573333), (170, 1203137), (190, 1076491), (221, 925490), (247, 828070), (323, 633230), (442, 462745), (494, 414035), (646, 316615), (1105, 185098), (1235, 165614), (1615, 126646), (2210, 92549), (2470, 82807), (3230, 63323), (4199, 48710), (4871, 41990), (8398, 24355), (9742, 20995)]