68459620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 149845248

約数和(自身を除く): 81385628

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1303, 1420, 2606, 2627, 5212, 5254, 6515, 10508, 13030, 13135, 26060, 26270, 48211, 52540, 92513, 96422, 185026, 192844, 241055, 370052, 462565, 482110, 925130, 964220, 1850260, 3422981, 6845962, 13691924, 17114905, 34229810, 68459620]

約数ペア:

[(1, 68459620), (2, 34229810), (4, 17114905), (5, 13691924), (10, 6845962), (20, 3422981), (37, 1850260), (71, 964220), (74, 925130), (142, 482110), (148, 462565), (185, 370052), (284, 241055), (355, 192844), (370, 185026), (710, 96422), (740, 92513), (1303, 52540), (1420, 48211), (2606, 26270), (2627, 26060), (5212, 13135), (5254, 13030), (6515, 10508)]