127128700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 286325424

約数和(自身を除く): 159196724

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 101, 164, 202, 205, 307, 404, 410, 505, 614, 820, 1010, 1025, 1228, 1535, 2020, 2050, 2525, 3070, 4100, 4141, 5050, 6140, 7675, 8282, 10100, 12587, 15350, 16564, 20705, 25174, 30700, 31007, 41410, 50348, 62014, 62935, 82820, 103525, 124028, 125870, 155035, 207050, 251740, 310070, 314675, 414100, 620140, 629350, 775175, 1258700, 1271287, 1550350, 2542574, 3100700, 5085148, 6356435, 12712870, 25425740, 31782175, 63564350, 127128700]

約数ペア:

[(1, 127128700), (2, 63564350), (4, 31782175), (5, 25425740), (10, 12712870), (20, 6356435), (25, 5085148), (41, 3100700), (50, 2542574), (82, 1550350), (100, 1271287), (101, 1258700), (164, 775175), (202, 629350), (205, 620140), (307, 414100), (404, 314675), (410, 310070), (505, 251740), (614, 207050), (820, 155035), (1010, 125870), (1025, 124028), (1228, 103525), (1535, 82820), (2020, 62935), (2050, 62014), (2525, 50348), (3070, 41410), (4100, 31007), (4141, 30700), (5050, 25174), (6140, 20705), (7675, 16564), (8282, 15350), (10100, 12587)]