154969340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{4021}}^1$

素因数の和:4118

約数の個数: 48

約数和(自身を含む): 340550784

約数和(自身を除く): 185581444

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 4021, 7708, 8042, 9635, 16084, 19270, 20105, 38540, 40210, 80420, 164861, 188987, 329722, 377974, 659444, 755948, 824305, 944935, 1648610, 1889870, 3297220, 3779740, 7748467, 15496934, 30993868, 38742335, 77484670, 154969340]

約数ペア:

[(1, 154969340), (2, 77484670), (4, 38742335), (5, 30993868), (10, 15496934), (20, 7748467), (41, 3779740), (47, 3297220), (82, 1889870), (94, 1648610), (164, 944935), (188, 824305), (205, 755948), (235, 659444), (410, 377974), (470, 329722), (820, 188987), (940, 164861), (1927, 80420), (3854, 40210), (4021, 38540), (7708, 20105), (8042, 19270), (9635, 16084)]