1405740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3347}}^1$

素因数の和:3366

約数の個数: 48

約数和(自身を含む): 4499712

約数和(自身を除く): 3093972

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, 3347, 6694, 10041, 13388, 16735, 20082, 23429, 33470, 40164, 46858, 50205, 66940, 70287, 93716, 100410, 117145, 140574, 200820, 234290, 281148, 351435, 468580, 702870, 1405740]

約数ペア:

[(1, 1405740), (2, 702870), (3, 468580), (4, 351435), (5, 281148), (6, 234290), (7, 200820), (10, 140574), (12, 117145), (14, 100410), (15, 93716), (20, 70287), (21, 66940), (28, 50205), (30, 46858), (35, 40164), (42, 33470), (60, 23429), (70, 20082), (84, 16735), (105, 13388), (140, 10041), (210, 6694), (420, 3347)]