213320050

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{69941}}^1$

素因数の和:70014

約数の個数: 24

約数和(自身を含む): 403285572

約数和(自身を除く): 189965522

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 69941, 139882, 349705, 699410, 1748525, 3497050, 4266401, 8532802, 21332005, 42664010, 106660025, 213320050]

約数ペア:

[(1, 213320050), (2, 106660025), (5, 42664010), (10, 21332005), (25, 8532802), (50, 4266401), (61, 3497050), (122, 1748525), (305, 699410), (610, 349705), (1525, 139882), (3050, 69941)]