319779040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{285517}}^1$

素因数の和:285539

約数の個数: 48

約数和(自身を含む): 863406432

約数和(自身を除く): 543627392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 285517, 571034, 1142068, 1427585, 1998619, 2284136, 2855170, 3997238, 4568272, 5710340, 7994476, 9136544, 9993095, 11420680, 15988952, 19986190, 22841360, 31977904, 39972380, 45682720, 63955808, 79944760, 159889520, 319779040]

約数ペア:

[(1, 319779040), (2, 159889520), (4, 79944760), (5, 63955808), (7, 45682720), (8, 39972380), (10, 31977904), (14, 22841360), (16, 19986190), (20, 15988952), (28, 11420680), (32, 9993095), (35, 9136544), (40, 7994476), (56, 5710340), (70, 4568272), (80, 3997238), (112, 2855170), (140, 2284136), (160, 1998619), (224, 1427585), (280, 1142068), (560, 571034), (1120, 285517)]