209804960

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5441}}^1$

素因数の和:5697

約数の個数: 48

約数和(自身を含む): 497812392

約数和(自身を除く): 288007432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 5441, 7712, 9640, 10882, 19280, 21764, 27205, 38560, 43528, 54410, 87056, 108820, 174112, 217640, 435280, 870560, 1311281, 2622562, 5245124, 6556405, 10490248, 13112810, 20980496, 26225620, 41960992, 52451240, 104902480, 209804960]

約数ペア:

[(1, 209804960), (2, 104902480), (4, 52451240), (5, 41960992), (8, 26225620), (10, 20980496), (16, 13112810), (20, 10490248), (32, 6556405), (40, 5245124), (80, 2622562), (160, 1311281), (241, 870560), (482, 435280), (964, 217640), (1205, 174112), (1928, 108820), (2410, 87056), (3856, 54410), (4820, 43528), (5441, 38560), (7712, 27205), (9640, 21764), (10882, 19280)]