189355740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{450847}}^1$

素因数の和:450866

約数の個数: 48

約数和(自身を含む): 605939712

約数和(自身を除く): 416583972

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, 450847, 901694, 1352541, 1803388, 2254235, 2705082, 3155929, 4508470, 5410164, 6311858, 6762705, 9016940, 9467787, 12623716, 13525410, 15779645, 18935574, 27050820, 31559290, 37871148, 47338935, 63118580, 94677870, 189355740]

約数ペア:

[(1, 189355740), (2, 94677870), (3, 63118580), (4, 47338935), (5, 37871148), (6, 31559290), (7, 27050820), (10, 18935574), (12, 15779645), (14, 13525410), (15, 12623716), (20, 9467787), (21, 9016940), (28, 6762705), (30, 6311858), (35, 5410164), (42, 4508470), (60, 3155929), (70, 2705082), (84, 2254235), (105, 1803388), (140, 1352541), (210, 901694), (420, 450847)]