179909080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{345979}}^1$

素因数の和:346003

約数の個数: 32

約数和(自身を含む): 435934800

約数和(自身を除く): 256025720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 345979, 691958, 1383916, 1729895, 2767832, 3459790, 4497727, 6919580, 8995454, 13839160, 17990908, 22488635, 35981816, 44977270, 89954540, 179909080]

約数ペア:

[(1, 179909080), (2, 89954540), (4, 44977270), (5, 35981816), (8, 22488635), (10, 17990908), (13, 13839160), (20, 8995454), (26, 6919580), (40, 4497727), (52, 3459790), (65, 2767832), (104, 1729895), (130, 1383916), (260, 691958), (520, 345979)]