351520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^3$

素因数の和:54

約数の個数: 48

約数和(自身を含む): 899640

約数和(自身を除く): 548120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2197, 2704, 3380, 4394, 5408, 6760, 8788, 10985, 13520, 17576, 21970, 27040, 35152, 43940, 70304, 87880, 175760, 351520]

約数ペア:

[(1, 351520), (2, 175760), (4, 87880), (5, 70304), (8, 43940), (10, 35152), (13, 27040), (16, 21970), (20, 17576), (26, 13520), (32, 10985), (40, 8788), (52, 6760), (65, 5408), (80, 4394), (104, 3380), (130, 2704), (160, 2197), (169, 2080), (208, 1690), (260, 1352), (338, 1040), (416, 845), (520, 676)]