31312540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1171}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 75608064

約数和(自身を除く): 44295524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1171, 1337, 1910, 2342, 2674, 3820, 4684, 5348, 5855, 6685, 8197, 11710, 13370, 16394, 23420, 26740, 32788, 40985, 81970, 163940, 223661, 447322, 894644, 1118305, 1565627, 2236610, 3131254, 4473220, 6262508, 7828135, 15656270, 31312540]

約数ペア:

[(1, 31312540), (2, 15656270), (4, 7828135), (5, 6262508), (7, 4473220), (10, 3131254), (14, 2236610), (20, 1565627), (28, 1118305), (35, 894644), (70, 447322), (140, 223661), (191, 163940), (382, 81970), (764, 40985), (955, 32788), (1171, 26740), (1337, 23420), (1910, 16394), (2342, 13370), (2674, 11710), (3820, 8197), (4684, 6685), (5348, 5855)]