890992810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{38891}}^1$

素因数の和:39006

約数の個数: 32

約数和(自身を含む): 1680134400

約数和(自身を除く): 789141590

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 2291, 4582, 11455, 22910, 38891, 77782, 194455, 388910, 1127839, 2255678, 3072389, 5639195, 6144778, 11278390, 15361945, 30723890, 89099281, 178198562, 445496405, 890992810]

約数ペア:

[(1, 890992810), (2, 445496405), (5, 178198562), (10, 89099281), (29, 30723890), (58, 15361945), (79, 11278390), (145, 6144778), (158, 5639195), (290, 3072389), (395, 2255678), (790, 1127839), (2291, 388910), (4582, 194455), (11455, 77782), (22910, 38891)]