408261980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{8123}}^1$

素因数の和:8498

約数の個数: 48

約数和(自身を含む): 982679040

約数和(自身を除く): 574417060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 1436, 1795, 2513, 3590, 5026, 7180, 8123, 10052, 12565, 16246, 25130, 32492, 40615, 50260, 56861, 81230, 113722, 162460, 227444, 284305, 568610, 1137220, 2916157, 5832314, 11664628, 14580785, 20413099, 29161570, 40826198, 58323140, 81652396, 102065495, 204130990, 408261980]

約数ペア:

[(1, 408261980), (2, 204130990), (4, 102065495), (5, 81652396), (7, 58323140), (10, 40826198), (14, 29161570), (20, 20413099), (28, 14580785), (35, 11664628), (70, 5832314), (140, 2916157), (359, 1137220), (718, 568610), (1436, 284305), (1795, 227444), (2513, 162460), (3590, 113722), (5026, 81230), (7180, 56861), (8123, 50260), (10052, 40615), (12565, 32492), (16246, 25130)]