246820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 620928

約数和(自身を除く): 374108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 43, 70, 82, 86, 140, 164, 172, 205, 215, 287, 301, 410, 430, 574, 602, 820, 860, 1148, 1204, 1435, 1505, 1763, 2870, 3010, 3526, 5740, 6020, 7052, 8815, 12341, 17630, 24682, 35260, 49364, 61705, 123410, 246820]

約数ペア:

[(1, 246820), (2, 123410), (4, 61705), (5, 49364), (7, 35260), (10, 24682), (14, 17630), (20, 12341), (28, 8815), (35, 7052), (41, 6020), (43, 5740), (70, 3526), (82, 3010), (86, 2870), (140, 1763), (164, 1505), (172, 1435), (205, 1204), (215, 1148), (287, 860), (301, 820), (410, 602), (430, 574)]