2148020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 5255040

約数和(自身を除く): 3107020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 229, 268, 335, 458, 469, 670, 916, 938, 1145, 1340, 1603, 1876, 2290, 2345, 3206, 4580, 4690, 6412, 8015, 9380, 15343, 16030, 30686, 32060, 61372, 76715, 107401, 153430, 214802, 306860, 429604, 537005, 1074010, 2148020]

約数ペア:

[(1, 2148020), (2, 1074010), (4, 537005), (5, 429604), (7, 306860), (10, 214802), (14, 153430), (20, 107401), (28, 76715), (35, 61372), (67, 32060), (70, 30686), (134, 16030), (140, 15343), (229, 9380), (268, 8015), (335, 6412), (458, 4690), (469, 4580), (670, 3206), (916, 2345), (938, 2290), (1145, 1876), (1340, 1603)]