397409080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{136099}}^1$

素因数の和:136183

約数の個数: 32

約数和(自身を含む): 906426000

約数和(自身を除く): 509016920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 136099, 272198, 544396, 680495, 1088792, 1360990, 2721980, 5443960, 9935227, 19870454, 39740908, 49676135, 79481816, 99352270, 198704540, 397409080]

約数ペア:

[(1, 397409080), (2, 198704540), (4, 99352270), (5, 79481816), (8, 49676135), (10, 39740908), (20, 19870454), (40, 9935227), (73, 5443960), (146, 2721980), (292, 1360990), (365, 1088792), (584, 680495), (730, 544396), (1460, 272198), (2920, 136099)]