2019908940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4809307}}^1$

素因数の和:4809326

約数の個数: 48

約数和(自身を含む): 6463709952

約数和(自身を除く): 4443801012

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, 4809307, 9618614, 14427921, 19237228, 24046535, 28855842, 33665149, 48093070, 57711684, 67330298, 72139605, 96186140, 100995447, 134660596, 144279210, 168325745, 201990894, 288558420, 336651490, 403981788, 504977235, 673302980, 1009954470, 2019908940]

約数ペア:

[(1, 2019908940), (2, 1009954470), (3, 673302980), (4, 504977235), (5, 403981788), (6, 336651490), (7, 288558420), (10, 201990894), (12, 168325745), (14, 144279210), (15, 134660596), (20, 100995447), (21, 96186140), (28, 72139605), (30, 67330298), (35, 57711684), (42, 48093070), (60, 33665149), (70, 28855842), (84, 24046535), (105, 19237228), (140, 14427921), (210, 9618614), (420, 4809307)]