69894140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 156147264

約数和(自身を除く): 86253124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 311, 340, 622, 661, 1244, 1322, 1555, 2644, 3110, 3305, 5287, 6220, 6610, 10574, 11237, 13220, 21148, 22474, 26435, 44948, 52870, 56185, 105740, 112370, 205571, 224740, 411142, 822284, 1027855, 2055710, 3494707, 4111420, 6989414, 13978828, 17473535, 34947070, 69894140]

約数ペア:

[(1, 69894140), (2, 34947070), (4, 17473535), (5, 13978828), (10, 6989414), (17, 4111420), (20, 3494707), (34, 2055710), (68, 1027855), (85, 822284), (170, 411142), (311, 224740), (340, 205571), (622, 112370), (661, 105740), (1244, 56185), (1322, 52870), (1555, 44948), (2644, 26435), (3110, 22474), (3305, 21148), (5287, 13220), (6220, 11237), (6610, 10574)]