9812200

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 23168160

約数和(自身を除く): 13355960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 691, 710, 1382, 1420, 1775, 2764, 2840, 3455, 3550, 5528, 6910, 7100, 13820, 14200, 17275, 27640, 34550, 49061, 69100, 98122, 138200, 196244, 245305, 392488, 490610, 981220, 1226525, 1962440, 2453050, 4906100, 9812200]

約数ペア:

[(1, 9812200), (2, 4906100), (4, 2453050), (5, 1962440), (8, 1226525), (10, 981220), (20, 490610), (25, 392488), (40, 245305), (50, 196244), (71, 138200), (100, 98122), (142, 69100), (200, 49061), (284, 34550), (355, 27640), (568, 17275), (691, 14200), (710, 13820), (1382, 7100), (1420, 6910), (1775, 5528), (2764, 3550), (2840, 3455)]