11888940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28307}}^1$

素因数の和:28326

約数の個数: 48

約数和(自身を含む): 38045952

約数和(自身を除く): 26157012

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, 28307, 56614, 84921, 113228, 141535, 169842, 198149, 283070, 339684, 396298, 424605, 566140, 594447, 792596, 849210, 990745, 1188894, 1698420, 1981490, 2377788, 2972235, 3962980, 5944470, 11888940]

約数ペア:

[(1, 11888940), (2, 5944470), (3, 3962980), (4, 2972235), (5, 2377788), (6, 1981490), (7, 1698420), (10, 1188894), (12, 990745), (14, 849210), (15, 792596), (20, 594447), (21, 566140), (28, 424605), (30, 396298), (35, 339684), (42, 283070), (60, 198149), (70, 169842), (84, 141535), (105, 113228), (140, 84921), (210, 56614), (420, 28307)]