139828640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{124847}}^1$

素因数の和:124869

約数の個数: 48

約数和(自身を含む): 377540352

約数和(自身を除く): 237711712

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, 124847, 249694, 499388, 624235, 873929, 998776, 1248470, 1747858, 1997552, 2496940, 3495716, 3995104, 4369645, 4993880, 6991432, 8739290, 9987760, 13982864, 17478580, 19975520, 27965728, 34957160, 69914320, 139828640]

約数ペア:

[(1, 139828640), (2, 69914320), (4, 34957160), (5, 27965728), (7, 19975520), (8, 17478580), (10, 13982864), (14, 9987760), (16, 8739290), (20, 6991432), (28, 4993880), (32, 4369645), (35, 3995104), (40, 3495716), (56, 2496940), (70, 1997552), (80, 1747858), (112, 1248470), (140, 998776), (160, 873929), (224, 624235), (280, 499388), (560, 249694), (1120, 124847)]