720767450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{38237}}^1$

素因数の和:38291

約数の個数: 48

約数和(自身を含む): 1493576280

約数和(自身を除く): 772808830

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 1450, 1885, 3770, 9425, 18850, 38237, 76474, 191185, 382370, 497081, 955925, 994162, 1108873, 1911850, 2217746, 2485405, 4970810, 5544365, 11088730, 12427025, 14415349, 24854050, 27721825, 28830698, 55443650, 72076745, 144153490, 360383725, 720767450]

約数ペア:

[(1, 720767450), (2, 360383725), (5, 144153490), (10, 72076745), (13, 55443650), (25, 28830698), (26, 27721825), (29, 24854050), (50, 14415349), (58, 12427025), (65, 11088730), (130, 5544365), (145, 4970810), (290, 2485405), (325, 2217746), (377, 1911850), (650, 1108873), (725, 994162), (754, 955925), (1450, 497081), (1885, 382370), (3770, 191185), (9425, 76474), (18850, 38237)]