2017686860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{182431}}^1$

素因数の和:182526

約数の個数: 48

約数和(自身を含む): 4903772160

約数和(自身を除く): 2886085300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 182431, 364862, 729724, 912155, 1277017, 1824310, 2554034, 3648620, 5108068, 6385085, 12770170, 14412049, 25540340, 28824098, 57648196, 72060245, 100884343, 144120490, 201768686, 288240980, 403537372, 504421715, 1008843430, 2017686860]

約数ペア:

[(1, 2017686860), (2, 1008843430), (4, 504421715), (5, 403537372), (7, 288240980), (10, 201768686), (14, 144120490), (20, 100884343), (28, 72060245), (35, 57648196), (70, 28824098), (79, 25540340), (140, 14412049), (158, 12770170), (316, 6385085), (395, 5108068), (553, 3648620), (790, 2554034), (1106, 1824310), (1580, 1277017), (2212, 912155), (2765, 729724), (5530, 364862), (11060, 182431)]