649202450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{52567}}^1$

素因数の和:52611

約数の個数: 48

約数和(自身を含む): 1368870720

約数和(自身を除く): 719668270

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 6175, 12350, 52567, 105134, 262835, 525670, 683371, 998773, 1314175, 1366742, 1997546, 2628350, 3416855, 4993865, 6833710, 9987730, 12984049, 17084275, 24969325, 25968098, 34168550, 49938650, 64920245, 129840490, 324601225, 649202450]

約数ペア:

[(1, 649202450), (2, 324601225), (5, 129840490), (10, 64920245), (13, 49938650), (19, 34168550), (25, 25968098), (26, 24969325), (38, 17084275), (50, 12984049), (65, 9987730), (95, 6833710), (130, 4993865), (190, 3416855), (247, 2628350), (325, 1997546), (475, 1366742), (494, 1314175), (650, 998773), (950, 683371), (1235, 525670), (2470, 262835), (6175, 105134), (12350, 52567)]