188798890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{13691}}^1$

素因数の和:13902

約数の個数: 32

約数和(自身を含む): 390386304

約数和(自身を除く): 201587414

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895, 13691, 13790, 27382, 68455, 95837, 136910, 191674, 479185, 958370, 2697127, 5394254, 13485635, 18879889, 26971270, 37759778, 94399445, 188798890]

約数ペア:

[(1, 188798890), (2, 94399445), (5, 37759778), (7, 26971270), (10, 18879889), (14, 13485635), (35, 5394254), (70, 2697127), (197, 958370), (394, 479185), (985, 191674), (1379, 136910), (1970, 95837), (2758, 68455), (6895, 27382), (13691, 13790)]