287701860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{20939}}^1$

素因数の和:21180

約数の個数: 48

約数和(自身を含む): 809121600

約数和(自身を除く): 521419740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1374, 2290, 2748, 3435, 4580, 6870, 13740, 20939, 41878, 62817, 83756, 104695, 125634, 209390, 251268, 314085, 418780, 628170, 1256340, 4795031, 9590062, 14385093, 19180124, 23975155, 28770186, 47950310, 57540372, 71925465, 95900620, 143850930, 287701860]

約数ペア:

[(1, 287701860), (2, 143850930), (3, 95900620), (4, 71925465), (5, 57540372), (6, 47950310), (10, 28770186), (12, 23975155), (15, 19180124), (20, 14385093), (30, 9590062), (60, 4795031), (229, 1256340), (458, 628170), (687, 418780), (916, 314085), (1145, 251268), (1374, 209390), (2290, 125634), (2748, 104695), (3435, 83756), (4580, 62817), (6870, 41878), (13740, 20939)]