178875990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13339}}^1$

素因数の和:13501

約数の個数: 48

約数和(自身を含む): 468234000

約数和(自身を除く): 289358010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 2235, 2682, 4470, 6705, 13339, 13410, 26678, 40017, 66695, 80034, 120051, 133390, 200085, 240102, 400170, 600255, 1200510, 1987511, 3975022, 5962533, 9937555, 11925066, 17887599, 19875110, 29812665, 35775198, 59625330, 89437995, 178875990]

約数ペア:

[(1, 178875990), (2, 89437995), (3, 59625330), (5, 35775198), (6, 29812665), (9, 19875110), (10, 17887599), (15, 11925066), (18, 9937555), (30, 5962533), (45, 3975022), (90, 1987511), (149, 1200510), (298, 600255), (447, 400170), (745, 240102), (894, 200085), (1341, 133390), (1490, 120051), (2235, 80034), (2682, 66695), (4470, 40017), (6705, 26678), (13339, 13410)]