869890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 1945152

約数和(自身を除く): 1075262

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 43, 70, 85, 86, 119, 170, 215, 238, 289, 301, 430, 578, 595, 602, 731, 1190, 1445, 1462, 1505, 2023, 2890, 3010, 3655, 4046, 5117, 7310, 10115, 10234, 12427, 20230, 24854, 25585, 51170, 62135, 86989, 124270, 173978, 434945, 869890]

約数ペア:

[(1, 869890), (2, 434945), (5, 173978), (7, 124270), (10, 86989), (14, 62135), (17, 51170), (34, 25585), (35, 24854), (43, 20230), (70, 12427), (85, 10234), (86, 10115), (119, 7310), (170, 5117), (215, 4046), (238, 3655), (289, 3010), (301, 2890), (430, 2023), (578, 1505), (595, 1462), (602, 1445), (731, 1190)]