281667560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{414217}}^1$

素因数の和:414245

約数の個数: 32

約数和(自身を含む): 671033160

約数和(自身を除く): 389365600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 414217, 828434, 1656868, 2071085, 3313736, 4142170, 7041689, 8284340, 14083378, 16568680, 28166756, 35208445, 56333512, 70416890, 140833780, 281667560]

約数ペア:

[(1, 281667560), (2, 140833780), (4, 70416890), (5, 56333512), (8, 35208445), (10, 28166756), (17, 16568680), (20, 14083378), (34, 8284340), (40, 7041689), (68, 4142170), (85, 3313736), (136, 2071085), (170, 1656868), (340, 828434), (680, 414217)]