315045020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{3877}}^1$

素因数の和:4142

約数の個数: 48

約数和(自身を含む): 703624320

約数和(自身を除く): 388579300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 956, 1195, 2390, 3877, 4063, 4780, 7754, 8126, 15508, 16252, 19385, 20315, 38770, 40630, 65909, 77540, 81260, 131818, 263636, 329545, 659090, 926603, 1318180, 1853206, 3706412, 4633015, 9266030, 15752251, 18532060, 31504502, 63009004, 78761255, 157522510, 315045020]

約数ペア:

[(1, 315045020), (2, 157522510), (4, 78761255), (5, 63009004), (10, 31504502), (17, 18532060), (20, 15752251), (34, 9266030), (68, 4633015), (85, 3706412), (170, 1853206), (239, 1318180), (340, 926603), (478, 659090), (956, 329545), (1195, 263636), (2390, 131818), (3877, 81260), (4063, 77540), (4780, 65909), (7754, 40630), (8126, 38770), (15508, 20315), (16252, 19385)]