254295910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 510935040

約数和(自身を除く): 256639130

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 127, 167, 218, 254, 334, 545, 635, 835, 1090, 1199, 1270, 1397, 1670, 1837, 2398, 2794, 3674, 5995, 6985, 9185, 11990, 13843, 13970, 18203, 18370, 21209, 27686, 36406, 42418, 69215, 91015, 106045, 138430, 152273, 182030, 200233, 212090, 233299, 304546, 400466, 466598, 761365, 1001165, 1166495, 1522730, 2002330, 2311781, 2332990, 4623562, 11558905, 23117810, 25429591, 50859182, 127147955, 254295910]

約数ペア:

[(1, 254295910), (2, 127147955), (5, 50859182), (10, 25429591), (11, 23117810), (22, 11558905), (55, 4623562), (109, 2332990), (110, 2311781), (127, 2002330), (167, 1522730), (218, 1166495), (254, 1001165), (334, 761365), (545, 466598), (635, 400466), (835, 304546), (1090, 233299), (1199, 212090), (1270, 200233), (1397, 182030), (1670, 152273), (1837, 138430), (2398, 106045), (2794, 91015), (3674, 69215), (5995, 42418), (6985, 36406), (9185, 27686), (11990, 21209), (13843, 18370), (13970, 18203)]