51437260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 127552320

約数和(自身を除く): 76115060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 719, 730, 980, 1022, 1438, 1460, 2044, 2555, 2876, 3577, 3595, 5033, 5110, 7154, 7190, 10066, 10220, 14308, 14380, 17885, 20132, 25165, 35231, 35770, 50330, 52487, 70462, 71540, 100660, 104974, 140924, 176155, 209948, 262435, 352310, 367409, 524870, 704620, 734818, 1049740, 1469636, 1837045, 2571863, 3674090, 5143726, 7348180, 10287452, 12859315, 25718630, 51437260]

約数ペア:

[(1, 51437260), (2, 25718630), (4, 12859315), (5, 10287452), (7, 7348180), (10, 5143726), (14, 3674090), (20, 2571863), (28, 1837045), (35, 1469636), (49, 1049740), (70, 734818), (73, 704620), (98, 524870), (140, 367409), (146, 352310), (196, 262435), (245, 209948), (292, 176155), (365, 140924), (490, 104974), (511, 100660), (719, 71540), (730, 70462), (980, 52487), (1022, 50330), (1438, 35770), (1460, 35231), (2044, 25165), (2555, 20132), (2876, 17885), (3577, 14380), (3595, 14308), (5033, 10220), (5110, 10066), (7154, 7190)]