290382040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{558427}}^1$

素因数の和:558451

約数の個数: 32

約数和(自身を含む): 703619280

約数和(自身を除く): 413237240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 558427, 1116854, 2233708, 2792135, 4467416, 5584270, 7259551, 11168540, 14519102, 22337080, 29038204, 36297755, 58076408, 72595510, 145191020, 290382040]

約数ペア:

[(1, 290382040), (2, 145191020), (4, 72595510), (5, 58076408), (8, 36297755), (10, 29038204), (13, 22337080), (20, 14519102), (26, 11168540), (40, 7259551), (52, 5584270), (65, 4467416), (104, 2792135), (130, 2233708), (260, 1116854), (520, 558427)]