126814540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 274831200

約数和(自身を除く): 148016660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 409, 419, 740, 818, 838, 1636, 1676, 2045, 2095, 4090, 4190, 8180, 8380, 15133, 15503, 30266, 31006, 60532, 62012, 75665, 77515, 151330, 155030, 171371, 302660, 310060, 342742, 685484, 856855, 1713710, 3427420, 6340727, 12681454, 25362908, 31703635, 63407270, 126814540]

約数ペア:

[(1, 126814540), (2, 63407270), (4, 31703635), (5, 25362908), (10, 12681454), (20, 6340727), (37, 3427420), (74, 1713710), (148, 856855), (185, 685484), (370, 342742), (409, 310060), (419, 302660), (740, 171371), (818, 155030), (838, 151330), (1636, 77515), (1676, 75665), (2045, 62012), (2095, 60532), (4090, 31006), (4190, 30266), (8180, 15503), (8380, 15133)]