30849860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 68027904

約数和(自身を除く): 37178044

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 470, 740, 887, 940, 1739, 1774, 3478, 3548, 4435, 6956, 8695, 8870, 17390, 17740, 32819, 34780, 41689, 65638, 83378, 131276, 164095, 166756, 208445, 328190, 416890, 656380, 833780, 1542493, 3084986, 6169972, 7712465, 15424930, 30849860]

約数ペア:

[(1, 30849860), (2, 15424930), (4, 7712465), (5, 6169972), (10, 3084986), (20, 1542493), (37, 833780), (47, 656380), (74, 416890), (94, 328190), (148, 208445), (185, 166756), (188, 164095), (235, 131276), (370, 83378), (470, 65638), (740, 41689), (887, 34780), (940, 32819), (1739, 17740), (1774, 17390), (3478, 8870), (3548, 8695), (4435, 6956)]