430640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{769}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 1145760

約数和(自身を除く): 715120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 769, 1538, 3076, 3845, 5383, 6152, 7690, 10766, 12304, 15380, 21532, 26915, 30760, 43064, 53830, 61520, 86128, 107660, 215320, 430640]

約数ペア:

[(1, 430640), (2, 215320), (4, 107660), (5, 86128), (7, 61520), (8, 53830), (10, 43064), (14, 30760), (16, 26915), (20, 21532), (28, 15380), (35, 12304), (40, 10766), (56, 7690), (70, 6152), (80, 5383), (112, 3845), (140, 3076), (280, 1538), (560, 769)]