493640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 1330560

約数和(自身を除く): 836920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 43, 56, 70, 82, 86, 140, 164, 172, 205, 215, 280, 287, 301, 328, 344, 410, 430, 574, 602, 820, 860, 1148, 1204, 1435, 1505, 1640, 1720, 1763, 2296, 2408, 2870, 3010, 3526, 5740, 6020, 7052, 8815, 11480, 12040, 12341, 14104, 17630, 24682, 35260, 49364, 61705, 70520, 98728, 123410, 246820, 493640]

約数ペア:

[(1, 493640), (2, 246820), (4, 123410), (5, 98728), (7, 70520), (8, 61705), (10, 49364), (14, 35260), (20, 24682), (28, 17630), (35, 14104), (40, 12341), (41, 12040), (43, 11480), (56, 8815), (70, 7052), (82, 6020), (86, 5740), (140, 3526), (164, 3010), (172, 2870), (205, 2408), (215, 2296), (280, 1763), (287, 1720), (301, 1640), (328, 1505), (344, 1435), (410, 1204), (430, 1148), (574, 860), (602, 820)]