212230370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{4079}}^1$

素因数の和:4151

約数の個数: 48

約数和(自身を含む): 429770880

約数和(自身を除く): 217540510

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 605, 946, 1210, 2365, 4079, 4730, 5203, 8158, 10406, 20395, 26015, 40790, 44869, 52030, 89738, 175397, 224345, 350794, 448690, 493559, 876985, 987118, 1753970, 1929367, 2467795, 3858734, 4935590, 9646835, 19293670, 21223037, 42446074, 106115185, 212230370]

約数ペア:

[(1, 212230370), (2, 106115185), (5, 42446074), (10, 21223037), (11, 19293670), (22, 9646835), (43, 4935590), (55, 3858734), (86, 2467795), (110, 1929367), (121, 1753970), (215, 987118), (242, 876985), (430, 493559), (473, 448690), (605, 350794), (946, 224345), (1210, 175397), (2365, 89738), (4079, 52030), (4730, 44869), (5203, 40790), (8158, 26015), (10406, 20395)]