215991530

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{2707}}^1$

素因数の和:2894

約数の個数: 32

約数和(自身を含む): 397751040

約数和(自身を除く): 181759510

約数列:

[1, 2, 5, 10, 79, 101, 158, 202, 395, 505, 790, 1010, 2707, 5414, 7979, 13535, 15958, 27070, 39895, 79790, 213853, 273407, 427706, 546814, 1069265, 1367035, 2138530, 2734070, 21599153, 43198306, 107995765, 215991530]

約数ペア:

[(1, 215991530), (2, 107995765), (5, 43198306), (10, 21599153), (79, 2734070), (101, 2138530), (158, 1367035), (202, 1069265), (395, 546814), (505, 427706), (790, 273407), (1010, 213853), (2707, 79790), (5414, 39895), (7979, 27070), (13535, 15958)]