206518980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181157}}^1$

素因数の和:181188

約数の個数: 48

約数和(自身を含む): 608690880

約数和(自身を除く): 402171900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 181157, 362314, 543471, 724628, 905785, 1086942, 1811570, 2173884, 2717355, 3441983, 3623140, 5434710, 6883966, 10325949, 10869420, 13767932, 17209915, 20651898, 34419830, 41303796, 51629745, 68839660, 103259490, 206518980]

約数ペア:

[(1, 206518980), (2, 103259490), (3, 68839660), (4, 51629745), (5, 41303796), (6, 34419830), (10, 20651898), (12, 17209915), (15, 13767932), (19, 10869420), (20, 10325949), (30, 6883966), (38, 5434710), (57, 3623140), (60, 3441983), (76, 2717355), (95, 2173884), (114, 1811570), (190, 1086942), (228, 905785), (285, 724628), (380, 543471), (570, 362314), (1140, 181157)]