139630520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205339}}^1$

素因数の和:205367

約数の個数: 32

約数和(自身を含む): 332650800

約数和(自身を除く): 193020280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 205339, 410678, 821356, 1026695, 1642712, 2053390, 3490763, 4106780, 6981526, 8213560, 13963052, 17453815, 27926104, 34907630, 69815260, 139630520]

約数ペア:

[(1, 139630520), (2, 69815260), (4, 34907630), (5, 27926104), (8, 17453815), (10, 13963052), (17, 8213560), (20, 6981526), (34, 4106780), (40, 3490763), (68, 2053390), (85, 1642712), (136, 1026695), (170, 821356), (340, 410678), (680, 205339)]