249826520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{201473}}^1$

素因数の和:201515

約数の個数: 32

約数和(自身を含む): 580245120

約数和(自身を除く): 330418600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 201473, 402946, 805892, 1007365, 1611784, 2014730, 4029460, 6245663, 8058920, 12491326, 24982652, 31228315, 49965304, 62456630, 124913260, 249826520]

約数ペア:

[(1, 249826520), (2, 124913260), (4, 62456630), (5, 49965304), (8, 31228315), (10, 24982652), (20, 12491326), (31, 8058920), (40, 6245663), (62, 4029460), (124, 2014730), (155, 1611784), (248, 1007365), (310, 805892), (620, 402946), (1240, 201473)]