426963440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{280897}}^1$

素因数の和:280929

約数の個数: 40

約数和(自身を含む): 1044940560

約数和(自身を除く): 617977120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 280897, 561794, 1123588, 1404485, 2247176, 2808970, 4494352, 5337043, 5617940, 10674086, 11235880, 21348172, 22471760, 26685215, 42696344, 53370430, 85392688, 106740860, 213481720, 426963440]

約数ペア:

[(1, 426963440), (2, 213481720), (4, 106740860), (5, 85392688), (8, 53370430), (10, 42696344), (16, 26685215), (19, 22471760), (20, 21348172), (38, 11235880), (40, 10674086), (76, 5617940), (80, 5337043), (95, 4494352), (152, 2808970), (190, 2247176), (304, 1404485), (380, 1123588), (760, 561794), (1520, 280897)]