30802900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3461}}^1$

素因数の和:3564

約数の個数: 36

約数和(自身を含む): 67612860

約数和(自身を除く): 36809960

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 3461, 4450, 6922, 8900, 13844, 17305, 34610, 69220, 86525, 173050, 308029, 346100, 616058, 1232116, 1540145, 3080290, 6160580, 7700725, 15401450, 30802900]

約数ペア:

[(1, 30802900), (2, 15401450), (4, 7700725), (5, 6160580), (10, 3080290), (20, 1540145), (25, 1232116), (50, 616058), (89, 346100), (100, 308029), (178, 173050), (356, 86525), (445, 69220), (890, 34610), (1780, 17305), (2225, 13844), (3461, 8900), (4450, 6922)]