12305740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 27165600

約数和(自身を除く): 14859860

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 349, 410, 430, 698, 820, 860, 1396, 1745, 1763, 3490, 3526, 6980, 7052, 8815, 14309, 15007, 17630, 28618, 30014, 35260, 57236, 60028, 71545, 75035, 143090, 150070, 286180, 300140, 615287, 1230574, 2461148, 3076435, 6152870, 12305740]

約数ペア:

[(1, 12305740), (2, 6152870), (4, 3076435), (5, 2461148), (10, 1230574), (20, 615287), (41, 300140), (43, 286180), (82, 150070), (86, 143090), (164, 75035), (172, 71545), (205, 60028), (215, 57236), (349, 35260), (410, 30014), (430, 28618), (698, 17630), (820, 15007), (860, 14309), (1396, 8815), (1745, 7052), (1763, 6980), (3490, 3526)]