138575220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{329941}}^1$

素因数の和:329960

約数の個数: 48

約数和(自身を含む): 443442048

約数和(自身を除く): 304866828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 329941, 659882, 989823, 1319764, 1649705, 1979646, 2309587, 3299410, 3959292, 4619174, 4949115, 6598820, 6928761, 9238348, 9898230, 11547935, 13857522, 19796460, 23095870, 27715044, 34643805, 46191740, 69287610, 138575220]

約数ペア:

[(1, 138575220), (2, 69287610), (3, 46191740), (4, 34643805), (5, 27715044), (6, 23095870), (7, 19796460), (10, 13857522), (12, 11547935), (14, 9898230), (15, 9238348), (20, 6928761), (21, 6598820), (28, 4949115), (30, 4619174), (35, 3959292), (42, 3299410), (60, 2309587), (70, 1979646), (84, 1649705), (105, 1319764), (140, 989823), (210, 659882), (420, 329941)]