31247260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{821}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 72086112

約数和(自身を除く): 40838852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 821, 865, 1642, 1730, 1903, 3284, 3460, 3806, 4105, 7612, 8210, 9031, 9515, 16420, 18062, 19030, 36124, 38060, 45155, 90310, 142033, 180620, 284066, 568132, 710165, 1420330, 1562363, 2840660, 3124726, 6249452, 7811815, 15623630, 31247260]

約数ペア:

[(1, 31247260), (2, 15623630), (4, 7811815), (5, 6249452), (10, 3124726), (11, 2840660), (20, 1562363), (22, 1420330), (44, 710165), (55, 568132), (110, 284066), (173, 180620), (220, 142033), (346, 90310), (692, 45155), (821, 38060), (865, 36124), (1642, 19030), (1730, 18062), (1903, 16420), (3284, 9515), (3460, 9031), (3806, 8210), (4105, 7612)]