420398220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{636967}}^1$

素因数の和:636990

約数の個数: 48

約数和(自身を含む): 1284127488

約数和(自身を除く): 863729268

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 636967, 1273934, 1910901, 2547868, 3184835, 3821802, 6369670, 7006637, 7643604, 9554505, 12739340, 14013274, 19109010, 21019911, 28026548, 35033185, 38218020, 42039822, 70066370, 84079644, 105099555, 140132740, 210199110, 420398220]

約数ペア:

[(1, 420398220), (2, 210199110), (3, 140132740), (4, 105099555), (5, 84079644), (6, 70066370), (10, 42039822), (11, 38218020), (12, 35033185), (15, 28026548), (20, 21019911), (22, 19109010), (30, 14013274), (33, 12739340), (44, 9554505), (55, 7643604), (60, 7006637), (66, 6369670), (110, 3821802), (132, 3184835), (165, 2547868), (220, 1910901), (330, 1273934), (660, 636967)]