284400620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18637}}^1$

素因数の和:18762

約数の個数: 48

約数和(自身を含む): 688860480

約数和(自身を除く): 404459860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 18637, 37274, 74548, 93185, 130459, 186370, 260918, 372740, 521836, 652295, 1304590, 2031433, 2609180, 4062866, 8125732, 10157165, 14220031, 20314330, 28440062, 40628660, 56880124, 71100155, 142200310, 284400620]

約数ペア:

[(1, 284400620), (2, 142200310), (4, 71100155), (5, 56880124), (7, 40628660), (10, 28440062), (14, 20314330), (20, 14220031), (28, 10157165), (35, 8125732), (70, 4062866), (109, 2609180), (140, 2031433), (218, 1304590), (436, 652295), (545, 521836), (763, 372740), (1090, 260918), (1526, 186370), (2180, 130459), (3052, 93185), (3815, 74548), (7630, 37274), (15260, 18637)]