287679080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{553229}}^1$

素因数の和:553253

約数の個数: 32

約数和(自身を含む): 697069800

約数和(自身を除く): 409390720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 553229, 1106458, 2212916, 2766145, 4425832, 5532290, 7191977, 11064580, 14383954, 22129160, 28767908, 35959885, 57535816, 71919770, 143839540, 287679080]

約数ペア:

[(1, 287679080), (2, 143839540), (4, 71919770), (5, 57535816), (8, 35959885), (10, 28767908), (13, 22129160), (20, 14383954), (26, 11064580), (40, 7191977), (52, 5532290), (65, 4425832), (104, 2766145), (130, 2212916), (260, 1106458), (520, 553229)]