738640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1319}}^1$

素因数の和:1339

約数の個数: 40

約数和(自身を含む): 1964160

約数和(自身を除く): 1225520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1319, 2638, 5276, 6595, 9233, 10552, 13190, 18466, 21104, 26380, 36932, 46165, 52760, 73864, 92330, 105520, 147728, 184660, 369320, 738640]

約数ペア:

[(1, 738640), (2, 369320), (4, 184660), (5, 147728), (7, 105520), (8, 92330), (10, 73864), (14, 52760), (16, 46165), (20, 36932), (28, 26380), (35, 21104), (40, 18466), (56, 13190), (70, 10552), (80, 9233), (112, 6595), (140, 5276), (280, 2638), (560, 1319)]