1221736280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1796671}}^1$

素因数の和:1796699

約数の個数: 32

約数和(自身を含む): 2910608640

約数和(自身を除く): 1688872360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1796671, 3593342, 7186684, 8983355, 14373368, 17966710, 30543407, 35933420, 61086814, 71866840, 122173628, 152717035, 244347256, 305434070, 610868140, 1221736280]

約数ペア:

[(1, 1221736280), (2, 610868140), (4, 305434070), (5, 244347256), (8, 152717035), (10, 122173628), (17, 71866840), (20, 61086814), (34, 35933420), (40, 30543407), (68, 17966710), (85, 14373368), (136, 8983355), (170, 7186684), (340, 3593342), (680, 1796671)]