247603960

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{27031}}^1$

素因数の和:27271

約数の個数: 32

約数和(自身を含む): 559562400

約数和(自身を除く): 311958440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 27031, 54062, 108124, 135155, 216248, 270310, 540620, 1081240, 6190099, 12380198, 24760396, 30950495, 49520792, 61900990, 123801980, 247603960]

約数ペア:

[(1, 247603960), (2, 123801980), (4, 61900990), (5, 49520792), (8, 30950495), (10, 24760396), (20, 12380198), (40, 6190099), (229, 1081240), (458, 540620), (916, 270310), (1145, 216248), (1832, 135155), (2290, 108124), (4580, 54062), (9160, 27031)]