1282248940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{21859}}^1$

素因数の和:22294

約数の個数: 48

約数和(自身を含む): 3084883200

約数和(自身を除く): 1802634260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1676, 2095, 2933, 4190, 5866, 8380, 11732, 14665, 21859, 29330, 43718, 58660, 87436, 109295, 153013, 218590, 306026, 437180, 612052, 765065, 1530130, 3060260, 9158921, 18317842, 36635684, 45794605, 64112447, 91589210, 128224894, 183178420, 256449788, 320562235, 641124470, 1282248940]

約数ペア:

[(1, 1282248940), (2, 641124470), (4, 320562235), (5, 256449788), (7, 183178420), (10, 128224894), (14, 91589210), (20, 64112447), (28, 45794605), (35, 36635684), (70, 18317842), (140, 9158921), (419, 3060260), (838, 1530130), (1676, 765065), (2095, 612052), (2933, 437180), (4190, 306026), (5866, 218590), (8380, 153013), (11732, 109295), (14665, 87436), (21859, 58660), (29330, 43718)]