421609960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{98507}}^1$

素因数の和:98625

約数の個数: 32

約数和(自身を含む): 957497760

約数和(自身を除く): 535887800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 98507, 197014, 394028, 492535, 788056, 985070, 1970140, 3940280, 10540249, 21080498, 42160996, 52701245, 84321992, 105402490, 210804980, 421609960]

約数ペア:

[(1, 421609960), (2, 210804980), (4, 105402490), (5, 84321992), (8, 52701245), (10, 42160996), (20, 21080498), (40, 10540249), (107, 3940280), (214, 1970140), (428, 985070), (535, 788056), (856, 492535), (1070, 394028), (2140, 197014), (4280, 98507)]