704680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 1612800

約数和(自身を除く): 908120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 223, 316, 395, 446, 632, 790, 892, 1115, 1580, 1784, 2230, 3160, 4460, 8920, 17617, 35234, 70468, 88085, 140936, 176170, 352340, 704680]

約数ペア:

[(1, 704680), (2, 352340), (4, 176170), (5, 140936), (8, 88085), (10, 70468), (20, 35234), (40, 17617), (79, 8920), (158, 4460), (223, 3160), (316, 2230), (395, 1784), (446, 1580), (632, 1115), (790, 892)]