180999910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{198901}}^1$

素因数の和:198928

約数の個数: 32

約数和(自身を含む): 400986432

約数和(自身を除く): 219986522

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 198901, 397802, 994505, 1392307, 1989010, 2585713, 2784614, 5171426, 6961535, 12928565, 13923070, 18099991, 25857130, 36199982, 90499955, 180999910]

約数ペア:

[(1, 180999910), (2, 90499955), (5, 36199982), (7, 25857130), (10, 18099991), (13, 13923070), (14, 12928565), (26, 6961535), (35, 5171426), (65, 2784614), (70, 2585713), (91, 1989010), (130, 1392307), (182, 994505), (455, 397802), (910, 198901)]