391444210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{29147}}^1$

素因数の和:29250

約数の個数: 32

約数和(自身を含む): 755516160

約数和(自身を除く): 364071950

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 6715, 13430, 29147, 58294, 145735, 291470, 495499, 990998, 2302613, 2477495, 4605226, 4954990, 11513065, 23026130, 39144421, 78288842, 195722105, 391444210]

約数ペア:

[(1, 391444210), (2, 195722105), (5, 78288842), (10, 39144421), (17, 23026130), (34, 11513065), (79, 4954990), (85, 4605226), (158, 2477495), (170, 2302613), (395, 990998), (790, 495499), (1343, 291470), (2686, 145735), (6715, 58294), (13430, 29147)]