205405890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{5279}}^1$

素因数の和:6586

約数の個数: 32

約数和(自身を含む): 493447680

約数和(自身を除く): 288041790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1297, 2594, 3891, 5279, 6485, 7782, 10558, 12970, 15837, 19455, 26395, 31674, 38910, 52790, 79185, 158370, 6846863, 13693726, 20540589, 34234315, 41081178, 68468630, 102702945, 205405890]

約数ペア:

[(1, 205405890), (2, 102702945), (3, 68468630), (5, 41081178), (6, 34234315), (10, 20540589), (15, 13693726), (30, 6846863), (1297, 158370), (2594, 79185), (3891, 52790), (5279, 38910), (6485, 31674), (7782, 26395), (10558, 19455), (12970, 15837)]