291215080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{560029}}^1$

素因数の和:560053

約数の個数: 32

約数和(自身を含む): 705637800

約数和(自身を除く): 414422720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 560029, 1120058, 2240116, 2800145, 4480232, 5600290, 7280377, 11200580, 14560754, 22401160, 29121508, 36401885, 58243016, 72803770, 145607540, 291215080]

約数ペア:

[(1, 291215080), (2, 145607540), (4, 72803770), (5, 58243016), (8, 36401885), (10, 29121508), (13, 22401160), (20, 14560754), (26, 11200580), (40, 7280377), (52, 5600290), (65, 4480232), (104, 2800145), (130, 2240116), (260, 1120058), (520, 560029)]