211938500

素因数分解:

$2^2\times 5^3\times {\mathrm{557}}^1\times {\mathrm{761}}^1$

素因数の和:1337

約数の個数: 48

約数和(自身を含む): 464314032

約数和(自身を除く): 252375532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 557, 761, 1114, 1522, 2228, 2785, 3044, 3805, 5570, 7610, 11140, 13925, 15220, 19025, 27850, 38050, 55700, 69625, 76100, 95125, 139250, 190250, 278500, 380500, 423877, 847754, 1695508, 2119385, 4238770, 8477540, 10596925, 21193850, 42387700, 52984625, 105969250, 211938500]

約数ペア:

[(1, 211938500), (2, 105969250), (4, 52984625), (5, 42387700), (10, 21193850), (20, 10596925), (25, 8477540), (50, 4238770), (100, 2119385), (125, 1695508), (250, 847754), (500, 423877), (557, 380500), (761, 278500), (1114, 190250), (1522, 139250), (2228, 95125), (2785, 76100), (3044, 69625), (3805, 55700), (5570, 38050), (7610, 27850), (11140, 19025), (13925, 15220)]