420381920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{375341}}^1$

素因数の和:375363

約数の個数: 48

約数和(自身を含む): 1135034208

約数和(自身を除く): 714652288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 375341, 750682, 1501364, 1876705, 2627387, 3002728, 3753410, 5254774, 6005456, 7506820, 10509548, 12010912, 13136935, 15013640, 21019096, 26273870, 30027280, 42038192, 52547740, 60054560, 84076384, 105095480, 210190960, 420381920]

約数ペア:

[(1, 420381920), (2, 210190960), (4, 105095480), (5, 84076384), (7, 60054560), (8, 52547740), (10, 42038192), (14, 30027280), (16, 26273870), (20, 21019096), (28, 15013640), (32, 13136935), (35, 12010912), (40, 10509548), (56, 7506820), (70, 6005456), (80, 5254774), (112, 3753410), (140, 3002728), (160, 2627387), (224, 1876705), (280, 1501364), (560, 750682), (1120, 375341)]