2009704700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{3583}}^1$

素因数の和:3747

約数の個数: 72

約数和(自身を含む): 4479713280

約数和(自身を除く): 2470008580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 79, 100, 142, 158, 284, 316, 355, 395, 710, 790, 1420, 1580, 1775, 1975, 3550, 3583, 3950, 5609, 7100, 7166, 7900, 11218, 14332, 17915, 22436, 28045, 35830, 56090, 71660, 89575, 112180, 140225, 179150, 254393, 280450, 283057, 358300, 508786, 560900, 566114, 1017572, 1132228, 1271965, 1415285, 2543930, 2830570, 5087860, 5661140, 6359825, 7076425, 12719650, 14152850, 20097047, 25439300, 28305700, 40194094, 80388188, 100485235, 200970470, 401940940, 502426175, 1004852350, 2009704700]

約数ペア:

[(1, 2009704700), (2, 1004852350), (4, 502426175), (5, 401940940), (10, 200970470), (20, 100485235), (25, 80388188), (50, 40194094), (71, 28305700), (79, 25439300), (100, 20097047), (142, 14152850), (158, 12719650), (284, 7076425), (316, 6359825), (355, 5661140), (395, 5087860), (710, 2830570), (790, 2543930), (1420, 1415285), (1580, 1271965), (1775, 1132228), (1975, 1017572), (3550, 566114), (3583, 560900), (3950, 508786), (5609, 358300), (7100, 283057), (7166, 280450), (7900, 254393), (11218, 179150), (14332, 140225), (17915, 112180), (22436, 89575), (28045, 71660), (35830, 56090)]