20105680050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{299861}}^1$

素因数の和:300028

約数の個数: 72

約数和(自身を含む): 54379973700

約数和(自身を除く): 34274293650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 149, 150, 225, 298, 447, 450, 745, 894, 1341, 1490, 2235, 2682, 3725, 4470, 6705, 7450, 11175, 13410, 22350, 33525, 67050, 299861, 599722, 899583, 1499305, 1799166, 2698749, 2998610, 4497915, 5397498, 7496525, 8995830, 13493745, 14993050, 22489575, 26987490, 44679289, 44979150, 67468725, 89358578, 134037867, 134937450, 223396445, 268075734, 402113601, 446792890, 670189335, 804227202, 1116982225, 1340378670, 2010568005, 2233964450, 3350946675, 4021136010, 6701893350, 10052840025, 20105680050]

約数ペア:

[(1, 20105680050), (2, 10052840025), (3, 6701893350), (5, 4021136010), (6, 3350946675), (9, 2233964450), (10, 2010568005), (15, 1340378670), (18, 1116982225), (25, 804227202), (30, 670189335), (45, 446792890), (50, 402113601), (75, 268075734), (90, 223396445), (149, 134937450), (150, 134037867), (225, 89358578), (298, 67468725), (447, 44979150), (450, 44679289), (745, 26987490), (894, 22489575), (1341, 14993050), (1490, 13493745), (2235, 8995830), (2682, 7496525), (3725, 5397498), (4470, 4497915), (6705, 2998610), (7450, 2698749), (11175, 1799166), (13410, 1499305), (22350, 899583), (33525, 599722), (67050, 299861)]