265790420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{31123}}^1$

素因数の和:31200

約数の個数: 48

約数和(自身を含む): 648375168

約数和(自身を除く): 382584748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 31123, 62246, 124492, 155615, 217861, 311230, 435722, 622460, 871444, 1089305, 1898503, 2178610, 3797006, 4357220, 7594012, 9492515, 13289521, 18985030, 26579042, 37970060, 53158084, 66447605, 132895210, 265790420]

約数ペア:

[(1, 265790420), (2, 132895210), (4, 66447605), (5, 53158084), (7, 37970060), (10, 26579042), (14, 18985030), (20, 13289521), (28, 9492515), (35, 7594012), (61, 4357220), (70, 3797006), (122, 2178610), (140, 1898503), (244, 1089305), (305, 871444), (427, 622460), (610, 435722), (854, 311230), (1220, 217861), (1708, 155615), (2135, 124492), (4270, 62246), (8540, 31123)]