65509220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{953}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 157707648

約数和(自身を除く): 92198428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 953, 982, 1906, 1964, 2455, 3437, 3812, 4765, 4910, 6671, 6874, 9530, 9820, 13342, 13748, 17185, 19060, 26684, 33355, 34370, 66710, 68740, 133420, 467923, 935846, 1871692, 2339615, 3275461, 4679230, 6550922, 9358460, 13101844, 16377305, 32754610, 65509220]

約数ペア:

[(1, 65509220), (2, 32754610), (4, 16377305), (5, 13101844), (7, 9358460), (10, 6550922), (14, 4679230), (20, 3275461), (28, 2339615), (35, 1871692), (70, 935846), (140, 467923), (491, 133420), (953, 68740), (982, 66710), (1906, 34370), (1964, 33355), (2455, 26684), (3437, 19060), (3812, 17185), (4765, 13748), (4910, 13342), (6671, 9820), (6874, 9530)]