68547220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1163}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 165045888

約数和(自身を除く): 96498668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1163, 1684, 2105, 2326, 2947, 4210, 4652, 5815, 5894, 8141, 8420, 11630, 11788, 14735, 16282, 23260, 29470, 32564, 40705, 58940, 81410, 162820, 489623, 979246, 1958492, 2448115, 3427361, 4896230, 6854722, 9792460, 13709444, 17136805, 34273610, 68547220]

約数ペア:

[(1, 68547220), (2, 34273610), (4, 17136805), (5, 13709444), (7, 9792460), (10, 6854722), (14, 4896230), (20, 3427361), (28, 2448115), (35, 1958492), (70, 979246), (140, 489623), (421, 162820), (842, 81410), (1163, 58940), (1684, 40705), (2105, 32564), (2326, 29470), (2947, 23260), (4210, 16282), (4652, 14735), (5815, 11788), (5894, 11630), (8141, 8420)]