1299041980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2095229}}^1$

素因数の和:2095269

約数の個数: 24

約数和(自身を含む): 2815989120

約数和(自身を除く): 1516947140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2095229, 4190458, 8380916, 10476145, 20952290, 41904580, 64952099, 129904198, 259808396, 324760495, 649520990, 1299041980]

約数ペア:

[(1, 1299041980), (2, 649520990), (4, 324760495), (5, 259808396), (10, 129904198), (20, 64952099), (31, 41904580), (62, 20952290), (124, 10476145), (155, 8380916), (310, 4190458), (620, 2095229)]