2012357900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{70117}}^1$

素因数の和:70179

約数の個数: 72

約数和(自身を含む): 5112443616

約数和(自身を除く): 3100085716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 700, 820, 1025, 1148, 1435, 2050, 2870, 4100, 5740, 7175, 14350, 28700, 70117, 140234, 280468, 350585, 490819, 701170, 981638, 1402340, 1752925, 1963276, 2454095, 2874797, 3505850, 4908190, 5749594, 7011700, 9816380, 11499188, 12270475, 14373985, 20123579, 24540950, 28747970, 40247158, 49081900, 57495940, 71869925, 80494316, 100617895, 143739850, 201235790, 287479700, 402471580, 503089475, 1006178950, 2012357900]

約数ペア:

[(1, 2012357900), (2, 1006178950), (4, 503089475), (5, 402471580), (7, 287479700), (10, 201235790), (14, 143739850), (20, 100617895), (25, 80494316), (28, 71869925), (35, 57495940), (41, 49081900), (50, 40247158), (70, 28747970), (82, 24540950), (100, 20123579), (140, 14373985), (164, 12270475), (175, 11499188), (205, 9816380), (287, 7011700), (350, 5749594), (410, 4908190), (574, 3505850), (700, 2874797), (820, 2454095), (1025, 1963276), (1148, 1752925), (1435, 1402340), (2050, 981638), (2870, 701170), (4100, 490819), (5740, 350585), (7175, 280468), (14350, 140234), (28700, 70117)]