208059820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{146521}}^1$

素因数の和:146601

約数の個数: 24

約数和(自身を含む): 443082528

約数和(自身を除く): 235022708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 146521, 293042, 586084, 732605, 1465210, 2930420, 10402991, 20805982, 41611964, 52014955, 104029910, 208059820]

約数ペア:

[(1, 208059820), (2, 104029910), (4, 52014955), (5, 41611964), (10, 20805982), (20, 10402991), (71, 2930420), (142, 1465210), (284, 732605), (355, 586084), (710, 293042), (1420, 146521)]