380931040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{340117}}^1$

素因数の和:340139

約数の個数: 48

約数和(自身を含む): 1028516832

約数和(自身を除く): 647585792

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, 340117, 680234, 1360468, 1700585, 2380819, 2720936, 3401170, 4761638, 5441872, 6802340, 9523276, 10883744, 11904095, 13604680, 19046552, 23808190, 27209360, 38093104, 47616380, 54418720, 76186208, 95232760, 190465520, 380931040]

約数ペア:

[(1, 380931040), (2, 190465520), (4, 95232760), (5, 76186208), (7, 54418720), (8, 47616380), (10, 38093104), (14, 27209360), (16, 23808190), (20, 19046552), (28, 13604680), (32, 11904095), (35, 10883744), (40, 9523276), (56, 6802340), (70, 5441872), (80, 4761638), (112, 3401170), (140, 2720936), (160, 2380819), (224, 1700585), (280, 1360468), (560, 680234), (1120, 340117)]