72644900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{11909}}^1$

素因数の和:11984

約数の個数: 36

約数和(自身を含む): 160237140

約数和(自身を除く): 87592240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 11909, 23818, 47636, 59545, 119090, 238180, 297725, 595450, 726449, 1190900, 1452898, 2905796, 3632245, 7264490, 14528980, 18161225, 36322450, 72644900]

約数ペア:

[(1, 72644900), (2, 36322450), (4, 18161225), (5, 14528980), (10, 7264490), (20, 3632245), (25, 2905796), (50, 1452898), (61, 1190900), (100, 726449), (122, 595450), (244, 297725), (305, 238180), (610, 119090), (1220, 59545), (1525, 47636), (3050, 23818), (6100, 11909)]