528033820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1\times {\mathrm{911}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 1128129408

約数和(自身を除く): 600095588

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 397, 730, 794, 911, 1460, 1588, 1822, 1985, 3644, 3970, 4555, 7940, 9110, 18220, 28981, 57962, 66503, 115924, 133006, 144905, 266012, 289810, 332515, 361667, 579620, 665030, 723334, 1330060, 1446668, 1808335, 3616670, 7233340, 26401691, 52803382, 105606764, 132008455, 264016910, 528033820]

約数ペア:

[(1, 528033820), (2, 264016910), (4, 132008455), (5, 105606764), (10, 52803382), (20, 26401691), (73, 7233340), (146, 3616670), (292, 1808335), (365, 1446668), (397, 1330060), (730, 723334), (794, 665030), (911, 579620), (1460, 361667), (1588, 332515), (1822, 289810), (1985, 266012), (3644, 144905), (3970, 133006), (4555, 115924), (7940, 66503), (9110, 57962), (18220, 28981)]