17810940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42407}}^1$

素因数の和:42426

約数の個数: 48

約数和(自身を含む): 56996352

約数和(自身を除く): 39185412

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, 42407, 84814, 127221, 169628, 212035, 254442, 296849, 424070, 508884, 593698, 636105, 848140, 890547, 1187396, 1272210, 1484245, 1781094, 2544420, 2968490, 3562188, 4452735, 5936980, 8905470, 17810940]

約数ペア:

[(1, 17810940), (2, 8905470), (3, 5936980), (4, 4452735), (5, 3562188), (6, 2968490), (7, 2544420), (10, 1781094), (12, 1484245), (14, 1272210), (15, 1187396), (20, 890547), (21, 848140), (28, 636105), (30, 593698), (35, 508884), (42, 424070), (60, 296849), (70, 254442), (84, 212035), (105, 169628), (140, 127221), (210, 84814), (420, 42407)]