8219180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 10166740

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 383, 580, 740, 766, 1073, 1532, 1915, 2146, 3830, 4292, 5365, 7660, 10730, 11107, 14171, 21460, 22214, 28342, 44428, 55535, 56684, 70855, 111070, 141710, 222140, 283420, 410959, 821918, 1643836, 2054795, 4109590, 8219180]

約数ペア:

[(1, 8219180), (2, 4109590), (4, 2054795), (5, 1643836), (10, 821918), (20, 410959), (29, 283420), (37, 222140), (58, 141710), (74, 111070), (116, 70855), (145, 56684), (148, 55535), (185, 44428), (290, 28342), (370, 22214), (383, 21460), (580, 14171), (740, 11107), (766, 10730), (1073, 7660), (1532, 5365), (1915, 4292), (2146, 3830)]