28681700

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{3929}}^1$

素因数の和:4016

約数の個数: 36

約数和(自身を含む): 63107940

約数和(自身を除く): 34426240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 3650, 3929, 7300, 7858, 15716, 19645, 39290, 78580, 98225, 196450, 286817, 392900, 573634, 1147268, 1434085, 2868170, 5736340, 7170425, 14340850, 28681700]

約数ペア:

[(1, 28681700), (2, 14340850), (4, 7170425), (5, 5736340), (10, 2868170), (20, 1434085), (25, 1147268), (50, 573634), (73, 392900), (100, 286817), (146, 196450), (292, 98225), (365, 78580), (730, 39290), (1460, 19645), (1825, 15716), (3650, 7858), (3929, 7300)]