165458420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 355320000

約数和(自身を除く): 189861580

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 281, 295, 499, 562, 590, 998, 1124, 1180, 1405, 1996, 2495, 2810, 4990, 5620, 9980, 16579, 29441, 33158, 58882, 66316, 82895, 117764, 140219, 147205, 165790, 280438, 294410, 331580, 560876, 588820, 701095, 1402190, 2804380, 8272921, 16545842, 33091684, 41364605, 82729210, 165458420]

約数ペア:

[(1, 165458420), (2, 82729210), (4, 41364605), (5, 33091684), (10, 16545842), (20, 8272921), (59, 2804380), (118, 1402190), (236, 701095), (281, 588820), (295, 560876), (499, 331580), (562, 294410), (590, 280438), (998, 165790), (1124, 147205), (1180, 140219), (1405, 117764), (1996, 82895), (2495, 66316), (2810, 58882), (4990, 33158), (5620, 29441), (9980, 16579)]