313601960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{160001}}^1$

素因数の和:160026

約数の個数: 48

約数和(自身を含む): 820810260

約数和(自身を除く): 507208300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 160001, 320002, 640004, 800005, 1120007, 1280008, 1600010, 2240014, 3200020, 4480028, 5600035, 6400040, 7840049, 8960056, 11200070, 15680098, 22400140, 31360196, 39200245, 44800280, 62720392, 78400490, 156800980, 313601960]

約数ペア:

[(1, 313601960), (2, 156800980), (4, 78400490), (5, 62720392), (7, 44800280), (8, 39200245), (10, 31360196), (14, 22400140), (20, 15680098), (28, 11200070), (35, 8960056), (40, 7840049), (49, 6400040), (56, 5600035), (70, 4480028), (98, 3200020), (140, 2240014), (196, 1600010), (245, 1280008), (280, 1120007), (392, 800005), (490, 640004), (980, 320002), (1960, 160001)]