289239080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{556229}}^1$

素因数の和:556253

約数の個数: 32

約数和(自身を含む): 700849800

約数和(自身を除く): 411610720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 556229, 1112458, 2224916, 2781145, 4449832, 5562290, 7230977, 11124580, 14461954, 22249160, 28923908, 36154885, 57847816, 72309770, 144619540, 289239080]

約数ペア:

[(1, 289239080), (2, 144619540), (4, 72309770), (5, 57847816), (8, 36154885), (10, 28923908), (13, 22249160), (20, 14461954), (26, 11124580), (40, 7230977), (52, 5562290), (65, 4449832), (104, 2781145), (130, 2224916), (260, 1112458), (520, 556229)]