90397660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 196499520

約数和(自身を除く): 106101860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 151, 185, 302, 370, 604, 740, 755, 809, 1510, 1618, 3020, 3236, 4045, 5587, 8090, 11174, 16180, 22348, 27935, 29933, 55870, 59866, 111740, 119732, 122159, 149665, 244318, 299330, 488636, 598660, 610795, 1221590, 2443180, 4519883, 9039766, 18079532, 22599415, 45198830, 90397660]

約数ペア:

[(1, 90397660), (2, 45198830), (4, 22599415), (5, 18079532), (10, 9039766), (20, 4519883), (37, 2443180), (74, 1221590), (148, 610795), (151, 598660), (185, 488636), (302, 299330), (370, 244318), (604, 149665), (740, 122159), (755, 119732), (809, 111740), (1510, 59866), (1618, 55870), (3020, 29933), (3236, 27935), (4045, 22348), (5587, 16180), (8090, 11174)]