980748850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{3613}}^1$

素因数の和:3775

約数の個数: 48

約数和(自身を含む): 1875449160

約数和(自身を除く): 894700310

約数列:

[1, 2, 5, 10, 25, 50, 61, 89, 122, 178, 305, 445, 610, 890, 1525, 2225, 3050, 3613, 4450, 5429, 7226, 10858, 18065, 27145, 36130, 54290, 90325, 135725, 180650, 220393, 271450, 321557, 440786, 643114, 1101965, 1607785, 2203930, 3215570, 5509825, 8038925, 11019650, 16077850, 19614977, 39229954, 98074885, 196149770, 490374425, 980748850]

約数ペア:

[(1, 980748850), (2, 490374425), (5, 196149770), (10, 98074885), (25, 39229954), (50, 19614977), (61, 16077850), (89, 11019650), (122, 8038925), (178, 5509825), (305, 3215570), (445, 2203930), (610, 1607785), (890, 1101965), (1525, 643114), (2225, 440786), (3050, 321557), (3613, 271450), (4450, 220393), (5429, 180650), (7226, 135725), (10858, 90325), (18065, 54290), (27145, 36130)]