3990580

素因数分解:

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

素因数の和:145

約数の個数: 72

約数和(自身を含む): 9853704

約数和(自身を除く): 5863124

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 97, 110, 121, 170, 187, 194, 220, 242, 340, 374, 388, 484, 485, 605, 748, 935, 970, 1067, 1210, 1649, 1870, 1940, 2057, 2134, 2420, 3298, 3740, 4114, 4268, 5335, 6596, 8228, 8245, 10285, 10670, 11737, 16490, 18139, 20570, 21340, 23474, 32980, 36278, 41140, 46948, 58685, 72556, 90695, 117370, 181390, 199529, 234740, 362780, 399058, 798116, 997645, 1995290, 3990580]

約数ペア:

[(1, 3990580), (2, 1995290), (4, 997645), (5, 798116), (10, 399058), (11, 362780), (17, 234740), (20, 199529), (22, 181390), (34, 117370), (44, 90695), (55, 72556), (68, 58685), (85, 46948), (97, 41140), (110, 36278), (121, 32980), (170, 23474), (187, 21340), (194, 20570), (220, 18139), (242, 16490), (340, 11737), (374, 10670), (388, 10285), (484, 8245), (485, 8228), (605, 6596), (748, 5335), (935, 4268), (970, 4114), (1067, 3740), (1210, 3298), (1649, 2420), (1870, 2134), (1940, 2057)]