31838380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{821}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 76781376

約数和(自身を除く): 44942996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 821, 1108, 1385, 1642, 1939, 2770, 3284, 3878, 4105, 5540, 5747, 7756, 8210, 9695, 11494, 16420, 19390, 22988, 28735, 38780, 57470, 114940, 227417, 454834, 909668, 1137085, 1591919, 2274170, 3183838, 4548340, 6367676, 7959595, 15919190, 31838380]

約数ペア:

[(1, 31838380), (2, 15919190), (4, 7959595), (5, 6367676), (7, 4548340), (10, 3183838), (14, 2274170), (20, 1591919), (28, 1137085), (35, 909668), (70, 454834), (140, 227417), (277, 114940), (554, 57470), (821, 38780), (1108, 28735), (1385, 22988), (1642, 19390), (1939, 16420), (2770, 11494), (3284, 9695), (3878, 8210), (4105, 7756), (5540, 5747)]