204563390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{8929}}^1$

素因数の和:9044

約数の個数: 32

約数和(自身を含む): 385776000

約数和(自身を除く): 181212610

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 2291, 4582, 8929, 11455, 17858, 22910, 44645, 89290, 258941, 517882, 705391, 1294705, 1410782, 2589410, 3526955, 7053910, 20456339, 40912678, 102281695, 204563390]

約数ペア:

[(1, 204563390), (2, 102281695), (5, 40912678), (10, 20456339), (29, 7053910), (58, 3526955), (79, 2589410), (145, 1410782), (158, 1294705), (290, 705391), (395, 517882), (790, 258941), (2291, 89290), (4582, 44645), (8929, 22910), (11455, 17858)]