19902900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{66343}}^1$

素因数の和:66360

約数の個数: 36

約数和(自身を含む): 57586592

約数和(自身を除く): 37683692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 66343, 132686, 199029, 265372, 331715, 398058, 663430, 796116, 995145, 1326860, 1658575, 1990290, 3317150, 3980580, 4975725, 6634300, 9951450, 19902900]

約数ペア:

[(1, 19902900), (2, 9951450), (3, 6634300), (4, 4975725), (5, 3980580), (6, 3317150), (10, 1990290), (12, 1658575), (15, 1326860), (20, 995145), (25, 796116), (30, 663430), (50, 398058), (60, 331715), (75, 265372), (100, 199029), (150, 132686), (300, 66343)]