3800500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{691}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 9067968

約数和(自身を除く): 5267468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 691, 1100, 1375, 1382, 2750, 2764, 3455, 5500, 6910, 7601, 13820, 15202, 17275, 30404, 34550, 38005, 69100, 76010, 86375, 152020, 172750, 190025, 345500, 380050, 760100, 950125, 1900250, 3800500]

約数ペア:

[(1, 3800500), (2, 1900250), (4, 950125), (5, 760100), (10, 380050), (11, 345500), (20, 190025), (22, 172750), (25, 152020), (44, 86375), (50, 76010), (55, 69100), (100, 38005), (110, 34550), (125, 30404), (220, 17275), (250, 15202), (275, 13820), (500, 7601), (550, 6910), (691, 5500), (1100, 3455), (1375, 2764), (1382, 2750)]