31202840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 74692800

約数和(自身を除く): 43489960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 727, 740, 1073, 1160, 1454, 1480, 2146, 2908, 3635, 4292, 5365, 5816, 7270, 8584, 10730, 14540, 21083, 21460, 26899, 29080, 42166, 42920, 53798, 84332, 105415, 107596, 134495, 168664, 210830, 215192, 268990, 421660, 537980, 780071, 843320, 1075960, 1560142, 3120284, 3900355, 6240568, 7800710, 15601420, 31202840]

約数ペア:

[(1, 31202840), (2, 15601420), (4, 7800710), (5, 6240568), (8, 3900355), (10, 3120284), (20, 1560142), (29, 1075960), (37, 843320), (40, 780071), (58, 537980), (74, 421660), (116, 268990), (145, 215192), (148, 210830), (185, 168664), (232, 134495), (290, 107596), (296, 105415), (370, 84332), (580, 53798), (727, 42920), (740, 42166), (1073, 29080), (1160, 26899), (1454, 21460), (1480, 21083), (2146, 14540), (2908, 10730), (3635, 8584), (4292, 7270), (5365, 5816)]