9814972900

素因数分解:

$2^2\times 5^2\times {\mathrm{821}}^1\times {\mathrm{119549}}^1$

素因数の和:120384

約数の個数: 36

約数和(自身を含む): 21324611700

約数和(自身を除く): 11509638800

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 821, 1642, 3284, 4105, 8210, 16420, 20525, 41050, 82100, 119549, 239098, 478196, 597745, 1195490, 2390980, 2988725, 5977450, 11954900, 98149729, 196299458, 392598916, 490748645, 981497290, 1962994580, 2453743225, 4907486450, 9814972900]

約数ペア:

[(1, 9814972900), (2, 4907486450), (4, 2453743225), (5, 1962994580), (10, 981497290), (20, 490748645), (25, 392598916), (50, 196299458), (100, 98149729), (821, 11954900), (1642, 5977450), (3284, 2988725), (4105, 2390980), (8210, 1195490), (16420, 597745), (20525, 478196), (41050, 239098), (82100, 119549)]