215381950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{87911}}^1$

素因数の和:87937

約数の個数: 36

約数和(自身を含む): 466021512

約数和(自身を除く): 250639562

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 87911, 175822, 439555, 615377, 879110, 1230754, 2197775, 3076885, 4307639, 4395550, 6153770, 8615278, 15384425, 21538195, 30768850, 43076390, 107690975, 215381950]

約数ペア:

[(1, 215381950), (2, 107690975), (5, 43076390), (7, 30768850), (10, 21538195), (14, 15384425), (25, 8615278), (35, 6153770), (49, 4395550), (50, 4307639), (70, 3076885), (98, 2197775), (175, 1230754), (245, 879110), (350, 615377), (490, 439555), (1225, 175822), (2450, 87911)]