2820830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 5365440

約数和(自身を除く): 2544610

約数列:

[1, 2, 5, 10, 29, 58, 71, 137, 142, 145, 274, 290, 355, 685, 710, 1370, 2059, 3973, 4118, 7946, 9727, 10295, 19454, 19865, 20590, 39730, 48635, 97270, 282083, 564166, 1410415, 2820830]

約数ペア:

[(1, 2820830), (2, 1410415), (5, 564166), (10, 282083), (29, 97270), (58, 48635), (71, 39730), (137, 20590), (142, 19865), (145, 19454), (274, 10295), (290, 9727), (355, 7946), (685, 4118), (710, 3973), (1370, 2059)]