1995290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 4223016

約数和(自身を除く): 2227726

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 97, 110, 121, 170, 187, 194, 242, 374, 485, 605, 935, 970, 1067, 1210, 1649, 1870, 2057, 2134, 3298, 4114, 5335, 8245, 10285, 10670, 11737, 16490, 18139, 20570, 23474, 36278, 58685, 90695, 117370, 181390, 199529, 399058, 997645, 1995290]

約数ペア:

[(1, 1995290), (2, 997645), (5, 399058), (10, 199529), (11, 181390), (17, 117370), (22, 90695), (34, 58685), (55, 36278), (85, 23474), (97, 20570), (110, 18139), (121, 16490), (170, 11737), (187, 10670), (194, 10285), (242, 8245), (374, 5335), (485, 4114), (605, 3298), (935, 2134), (970, 2057), (1067, 1870), (1210, 1649)]