2870013620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{3727}}^1$

素因数の和:4152

約数の個数: 48

約数和(自身を含む): 6093937920

約数和(自身を除く): 3223924300

約数列:

[1, 2, 4, 5, 10, 20, 139, 277, 278, 554, 556, 695, 1108, 1385, 1390, 2770, 2780, 3727, 5540, 7454, 14908, 18635, 37270, 38503, 74540, 77006, 154012, 192515, 385030, 518053, 770060, 1032379, 1036106, 2064758, 2072212, 2590265, 4129516, 5161895, 5180530, 10323790, 10361060, 20647580, 143500681, 287001362, 574002724, 717503405, 1435006810, 2870013620]

約数ペア:

[(1, 2870013620), (2, 1435006810), (4, 717503405), (5, 574002724), (10, 287001362), (20, 143500681), (139, 20647580), (277, 10361060), (278, 10323790), (554, 5180530), (556, 5161895), (695, 4129516), (1108, 2590265), (1385, 2072212), (1390, 2064758), (2770, 1036106), (2780, 1032379), (3727, 770060), (5540, 518053), (7454, 385030), (14908, 192515), (18635, 154012), (37270, 77006), (38503, 74540)]