168581620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{557}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 365132880

約数和(自身を除く): 196551260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 409, 557, 740, 818, 1114, 1636, 2045, 2228, 2785, 4090, 5570, 8180, 11140, 15133, 20609, 30266, 41218, 60532, 75665, 82436, 103045, 151330, 206090, 227813, 302660, 412180, 455626, 911252, 1139065, 2278130, 4556260, 8429081, 16858162, 33716324, 42145405, 84290810, 168581620]

約数ペア:

[(1, 168581620), (2, 84290810), (4, 42145405), (5, 33716324), (10, 16858162), (20, 8429081), (37, 4556260), (74, 2278130), (148, 1139065), (185, 911252), (370, 455626), (409, 412180), (557, 302660), (740, 227813), (818, 206090), (1114, 151330), (1636, 103045), (2045, 82436), (2228, 75665), (2785, 60532), (4090, 41218), (5570, 30266), (8180, 20609), (11140, 15133)]