31507420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3359}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 76769280

約数和(自身を除く): 45261860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 3359, 4690, 6718, 9380, 13436, 16795, 23513, 33590, 47026, 67180, 94052, 117565, 225053, 235130, 450106, 470260, 900212, 1125265, 1575371, 2250530, 3150742, 4501060, 6301484, 7876855, 15753710, 31507420]

約数ペア:

[(1, 31507420), (2, 15753710), (4, 7876855), (5, 6301484), (7, 4501060), (10, 3150742), (14, 2250530), (20, 1575371), (28, 1125265), (35, 900212), (67, 470260), (70, 450106), (134, 235130), (140, 225053), (268, 117565), (335, 94052), (469, 67180), (670, 47026), (938, 33590), (1340, 23513), (1876, 16795), (2345, 13436), (3359, 9380), (4690, 6718)]