203412890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1\times {\mathrm{907}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 376173504

約数和(自身を除く): 172760614

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 547, 907, 1094, 1814, 2735, 4535, 5470, 9070, 22427, 37187, 44854, 74374, 112135, 185935, 224270, 371870, 496129, 992258, 2480645, 4961290, 20341289, 40682578, 101706445, 203412890]

約数ペア:

[(1, 203412890), (2, 101706445), (5, 40682578), (10, 20341289), (41, 4961290), (82, 2480645), (205, 992258), (410, 496129), (547, 371870), (907, 224270), (1094, 185935), (1814, 112135), (2735, 74374), (4535, 44854), (5470, 37187), (9070, 22427)]