31315420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3583}}^1$

素因数の和:3634

約数の個数: 48

約数和(自身を含む): 72253440

約数和(自身を除く): 40938020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 3583, 4370, 7166, 8740, 14332, 17915, 35830, 68077, 71660, 82409, 136154, 164818, 272308, 329636, 340385, 412045, 680770, 824090, 1361540, 1565771, 1648180, 3131542, 6263084, 7828855, 15657710, 31315420]

約数ペア:

[(1, 31315420), (2, 15657710), (4, 7828855), (5, 6263084), (10, 3131542), (19, 1648180), (20, 1565771), (23, 1361540), (38, 824090), (46, 680770), (76, 412045), (92, 340385), (95, 329636), (115, 272308), (190, 164818), (230, 136154), (380, 82409), (437, 71660), (460, 68077), (874, 35830), (1748, 17915), (2185, 14332), (3583, 8740), (4370, 7166)]