198134440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{101089}}^1$

素因数の和:101114

約数の個数: 48

約数和(自身を含む): 518591700

約数和(自身を除く): 320457260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 101089, 202178, 404356, 505445, 707623, 808712, 1010890, 1415246, 2021780, 2830492, 3538115, 4043560, 4953361, 5660984, 7076230, 9906722, 14152460, 19813444, 24766805, 28304920, 39626888, 49533610, 99067220, 198134440]

約数ペア:

[(1, 198134440), (2, 99067220), (4, 49533610), (5, 39626888), (7, 28304920), (8, 24766805), (10, 19813444), (14, 14152460), (20, 9906722), (28, 7076230), (35, 5660984), (40, 4953361), (49, 4043560), (56, 3538115), (70, 2830492), (98, 2021780), (140, 1415246), (196, 1010890), (245, 808712), (280, 707623), (392, 505445), (490, 404356), (980, 202178), (1960, 101089)]