2019405575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{809}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 2838434400

約数和(自身を除く): 819028825

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 313, 319, 725, 809, 1565, 1595, 3443, 4045, 7825, 7975, 8899, 9077, 17215, 20225, 23461, 44495, 45385, 86075, 99847, 117305, 222475, 226925, 253217, 258071, 499235, 586525, 1266085, 1290355, 2496175, 2785387, 6330425, 6451775, 7343293, 13926935, 36716465, 69634675, 80776223, 183582325, 403881115, 2019405575]

約数ペア:

[(1, 2019405575), (5, 403881115), (11, 183582325), (25, 80776223), (29, 69634675), (55, 36716465), (145, 13926935), (275, 7343293), (313, 6451775), (319, 6330425), (725, 2785387), (809, 2496175), (1565, 1290355), (1595, 1266085), (3443, 586525), (4045, 499235), (7825, 258071), (7975, 253217), (8899, 226925), (9077, 222475), (17215, 117305), (20225, 99847), (23461, 86075), (44495, 45385)]