79777740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{189947}}^1$

素因数の和:189966

約数の個数: 48

約数和(自身を含む): 255290112

約数和(自身を除く): 175512372

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, 189947, 379894, 569841, 759788, 949735, 1139682, 1329629, 1899470, 2279364, 2659258, 2849205, 3798940, 3988887, 5318516, 5698410, 6648145, 7977774, 11396820, 13296290, 15955548, 19944435, 26592580, 39888870, 79777740]

約数ペア:

[(1, 79777740), (2, 39888870), (3, 26592580), (4, 19944435), (5, 15955548), (6, 13296290), (7, 11396820), (10, 7977774), (12, 6648145), (14, 5698410), (15, 5318516), (20, 3988887), (21, 3798940), (28, 2849205), (30, 2659258), (35, 2279364), (42, 1899470), (60, 1329629), (70, 1139682), (84, 949735), (105, 759788), (140, 569841), (210, 379894), (420, 189947)]