77727250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 153653760

約数和(自身を除く): 75926510

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 71, 125, 142, 145, 151, 250, 290, 302, 355, 710, 725, 755, 1450, 1510, 1775, 2059, 3550, 3625, 3775, 4118, 4379, 7250, 7550, 8758, 8875, 10295, 10721, 17750, 18875, 20590, 21442, 21895, 37750, 43790, 51475, 53605, 102950, 107210, 109475, 218950, 257375, 268025, 310909, 514750, 536050, 547375, 621818, 1094750, 1340125, 1554545, 2680250, 3109090, 7772725, 15545450, 38863625, 77727250]

約数ペア:

[(1, 77727250), (2, 38863625), (5, 15545450), (10, 7772725), (25, 3109090), (29, 2680250), (50, 1554545), (58, 1340125), (71, 1094750), (125, 621818), (142, 547375), (145, 536050), (151, 514750), (250, 310909), (290, 268025), (302, 257375), (355, 218950), (710, 109475), (725, 107210), (755, 102950), (1450, 53605), (1510, 51475), (1775, 43790), (2059, 37750), (3550, 21895), (3625, 21442), (3775, 20590), (4118, 18875), (4379, 17750), (7250, 10721), (7550, 10295), (8758, 8875)]