158491900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 395037216

約数和(自身を除く): 236545316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 257, 350, 514, 700, 881, 1028, 1285, 1762, 1799, 2570, 3524, 3598, 4405, 5140, 6167, 6425, 7196, 8810, 8995, 12334, 12850, 17620, 17990, 22025, 24668, 25700, 30835, 35980, 44050, 44975, 61670, 88100, 89950, 123340, 154175, 179900, 226417, 308350, 452834, 616700, 905668, 1132085, 1584919, 2264170, 3169838, 4528340, 5660425, 6339676, 7924595, 11320850, 15849190, 22641700, 31698380, 39622975, 79245950, 158491900]

約数ペア:

[(1, 158491900), (2, 79245950), (4, 39622975), (5, 31698380), (7, 22641700), (10, 15849190), (14, 11320850), (20, 7924595), (25, 6339676), (28, 5660425), (35, 4528340), (50, 3169838), (70, 2264170), (100, 1584919), (140, 1132085), (175, 905668), (257, 616700), (350, 452834), (514, 308350), (700, 226417), (881, 179900), (1028, 154175), (1285, 123340), (1762, 89950), (1799, 88100), (2570, 61670), (3524, 44975), (3598, 44050), (4405, 35980), (5140, 30835), (6167, 25700), (6425, 24668), (7196, 22025), (8810, 17990), (8995, 17620), (12334, 12850)]