140043260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{541}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 344738016

約数和(自身を除く): 204694756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 541, 602, 860, 1082, 1204, 1505, 1849, 2164, 2705, 3010, 3698, 3787, 5410, 6020, 7396, 7574, 9245, 10820, 12943, 15148, 18490, 18935, 23263, 25886, 36980, 37870, 46526, 51772, 64715, 75740, 93052, 116315, 129430, 162841, 232630, 258860, 325682, 465260, 651364, 814205, 1000309, 1628410, 2000618, 3256820, 4001236, 5001545, 7002163, 10003090, 14004326, 20006180, 28008652, 35010815, 70021630, 140043260]

約数ペア:

[(1, 140043260), (2, 70021630), (4, 35010815), (5, 28008652), (7, 20006180), (10, 14004326), (14, 10003090), (20, 7002163), (28, 5001545), (35, 4001236), (43, 3256820), (70, 2000618), (86, 1628410), (140, 1000309), (172, 814205), (215, 651364), (301, 465260), (430, 325682), (541, 258860), (602, 232630), (860, 162841), (1082, 129430), (1204, 116315), (1505, 93052), (1849, 75740), (2164, 64715), (2705, 51772), (3010, 46526), (3698, 37870), (3787, 36980), (5410, 25886), (6020, 23263), (7396, 18935), (7574, 18490), (9245, 15148), (10820, 12943)]