2172821810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1\times {\mathrm{8447}}^1$

素因数の和:9370

約数の個数: 32

約数和(自身を含む): 4050984960

約数和(自身を除く): 1878163150

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 887, 1774, 4435, 8447, 8870, 16894, 25723, 42235, 51446, 84470, 128615, 244963, 257230, 489926, 1224815, 2449630, 7492489, 14984978, 37462445, 74924890, 217282181, 434564362, 1086410905, 2172821810]

約数ペア:

[(1, 2172821810), (2, 1086410905), (5, 434564362), (10, 217282181), (29, 74924890), (58, 37462445), (145, 14984978), (290, 7492489), (887, 2449630), (1774, 1224815), (4435, 489926), (8447, 257230), (8870, 244963), (16894, 128615), (25723, 84470), (42235, 51446)]