158663380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1063}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 353928960

約数和(自身を除く): 195265580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 878, 1063, 1756, 2126, 2195, 4252, 4390, 5315, 7463, 8780, 10630, 14926, 18071, 21260, 29852, 36142, 37315, 72284, 74630, 90355, 149260, 180710, 361420, 466657, 933314, 1866628, 2333285, 4666570, 7933169, 9333140, 15866338, 31732676, 39665845, 79331690, 158663380]

約数ペア:

[(1, 158663380), (2, 79331690), (4, 39665845), (5, 31732676), (10, 15866338), (17, 9333140), (20, 7933169), (34, 4666570), (68, 2333285), (85, 1866628), (170, 933314), (340, 466657), (439, 361420), (878, 180710), (1063, 149260), (1756, 90355), (2126, 74630), (2195, 72284), (4252, 37315), (4390, 36142), (5315, 29852), (7463, 21260), (8780, 18071), (10630, 14926)]