148378220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{20551}}^1$

素因数の和:20598

約数の個数: 36

約数和(自身を含む): 328873104

約数和(自身を除く): 180494884

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 20551, 41102, 82204, 102755, 205510, 390469, 411020, 780938, 1561876, 1952345, 3904690, 7418911, 7809380, 14837822, 29675644, 37094555, 74189110, 148378220]

約数ペア:

[(1, 148378220), (2, 74189110), (4, 37094555), (5, 29675644), (10, 14837822), (19, 7809380), (20, 7418911), (38, 3904690), (76, 1952345), (95, 1561876), (190, 780938), (361, 411020), (380, 390469), (722, 205510), (1444, 102755), (1805, 82204), (3610, 41102), (7220, 20551)]