22127420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 55023696

約数和(自身を除く): 32896276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 337, 469, 490, 670, 674, 938, 980, 1340, 1348, 1685, 1876, 2345, 2359, 3283, 3370, 4690, 4718, 6566, 6740, 9380, 9436, 11795, 13132, 16415, 16513, 22579, 23590, 32830, 33026, 45158, 47180, 65660, 66052, 82565, 90316, 112895, 158053, 165130, 225790, 316106, 330260, 451580, 632212, 790265, 1106371, 1580530, 2212742, 3161060, 4425484, 5531855, 11063710, 22127420]

約数ペア:

[(1, 22127420), (2, 11063710), (4, 5531855), (5, 4425484), (7, 3161060), (10, 2212742), (14, 1580530), (20, 1106371), (28, 790265), (35, 632212), (49, 451580), (67, 330260), (70, 316106), (98, 225790), (134, 165130), (140, 158053), (196, 112895), (245, 90316), (268, 82565), (335, 66052), (337, 65660), (469, 47180), (490, 45158), (670, 33026), (674, 32830), (938, 23590), (980, 22579), (1340, 16513), (1348, 16415), (1685, 13132), (1876, 11795), (2345, 9436), (2359, 9380), (3283, 6740), (3370, 6566), (4690, 4718)]