210664190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{4549}}^1$

素因数の和:4988

約数の個数: 32

約数和(自身を含む): 414741600

約数和(自身を除く): 204077410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 842, 2105, 4210, 4549, 4631, 9098, 9262, 22745, 23155, 45490, 46310, 50039, 100078, 250195, 500390, 1915129, 3830258, 9575645, 19151290, 21066419, 42132838, 105332095, 210664190]

約数ペア:

[(1, 210664190), (2, 105332095), (5, 42132838), (10, 21066419), (11, 19151290), (22, 9575645), (55, 3830258), (110, 1915129), (421, 500390), (842, 250195), (2105, 100078), (4210, 50039), (4549, 46310), (4631, 45490), (9098, 23155), (9262, 22745)]