38974985

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 21850615

約数列:

[1, 5, 7, 19, 29, 35, 43, 47, 95, 133, 145, 203, 215, 235, 301, 329, 551, 665, 817, 893, 1015, 1247, 1363, 1505, 1645, 2021, 2755, 3857, 4085, 4465, 5719, 6235, 6251, 6815, 8729, 9541, 10105, 14147, 19285, 23693, 25897, 28595, 31255, 38399, 43645, 47705, 58609, 70735, 118465, 129485, 165851, 181279, 191995, 268793, 293045, 410263, 829255, 906395, 1113571, 1343965, 2051315, 5567855, 7794997, 38974985]

約数ペア:

[(1, 38974985), (5, 7794997), (7, 5567855), (19, 2051315), (29, 1343965), (35, 1113571), (43, 906395), (47, 829255), (95, 410263), (133, 293045), (145, 268793), (203, 191995), (215, 181279), (235, 165851), (301, 129485), (329, 118465), (551, 70735), (665, 58609), (817, 47705), (893, 43645), (1015, 38399), (1247, 31255), (1363, 28595), (1505, 25897), (1645, 23693), (2021, 19285), (2755, 14147), (3857, 10105), (4085, 9541), (4465, 8729), (5719, 6815), (6235, 6251)]