289444430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{20719}}^1$

素因数の和:20864

約数の個数: 32

約数和(自身を含む): 572866560

約数和(自身を除く): 283422130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6985, 13970, 20719, 41438, 103595, 207190, 227909, 455818, 1139545, 2279090, 2631313, 5262626, 13156565, 26313130, 28944443, 57888886, 144722215, 289444430]

約数ペア:

[(1, 289444430), (2, 144722215), (5, 57888886), (10, 28944443), (11, 26313130), (22, 13156565), (55, 5262626), (110, 2631313), (127, 2279090), (254, 1139545), (635, 455818), (1270, 227909), (1397, 207190), (2794, 103595), (6985, 41438), (13970, 20719)]