28521100

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{3907}}^1$

素因数の和:3994

約数の個数: 36

約数和(自身を含む): 62754664

約数和(自身を除く): 34233564

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 3650, 3907, 7300, 7814, 15628, 19535, 39070, 78140, 97675, 195350, 285211, 390700, 570422, 1140844, 1426055, 2852110, 5704220, 7130275, 14260550, 28521100]

約数ペア:

[(1, 28521100), (2, 14260550), (4, 7130275), (5, 5704220), (10, 2852110), (20, 1426055), (25, 1140844), (50, 570422), (73, 390700), (100, 285211), (146, 195350), (292, 97675), (365, 78140), (730, 39070), (1460, 19535), (1825, 15628), (3650, 7814), (3907, 7300)]