210825580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{3067}}^1$

素因数の和:3574

約数の個数: 48

約数和(自身を含む): 507177216

約数和(自身を除く): 296351636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1964, 2455, 3067, 3437, 4910, 6134, 6874, 9820, 12268, 13748, 15335, 17185, 21469, 30670, 34370, 42938, 61340, 68740, 85876, 107345, 214690, 429380, 1505897, 3011794, 6023588, 7529485, 10541279, 15058970, 21082558, 30117940, 42165116, 52706395, 105412790, 210825580]

約数ペア:

[(1, 210825580), (2, 105412790), (4, 52706395), (5, 42165116), (7, 30117940), (10, 21082558), (14, 15058970), (20, 10541279), (28, 7529485), (35, 6023588), (70, 3011794), (140, 1505897), (491, 429380), (982, 214690), (1964, 107345), (2455, 85876), (3067, 68740), (3437, 61340), (4910, 42938), (6134, 34370), (6874, 30670), (9820, 21469), (12268, 17185), (13748, 15335)]