353296840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{679417}}^1$

素因数の和:679441

約数の個数: 32

約数和(自身を含む): 856066680

約数和(自身を除く): 502769840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 679417, 1358834, 2717668, 3397085, 5435336, 6794170, 8832421, 13588340, 17664842, 27176680, 35329684, 44162105, 70659368, 88324210, 176648420, 353296840]

約数ペア:

[(1, 353296840), (2, 176648420), (4, 88324210), (5, 70659368), (8, 44162105), (10, 35329684), (13, 27176680), (20, 17664842), (26, 13588340), (40, 8832421), (52, 6794170), (65, 5435336), (104, 3397085), (130, 2717668), (260, 1358834), (520, 679417)]