28197200

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:624

約数の個数: 60

約数和(自身を含む): 68327100

約数和(自身を除く): 40129900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 449, 628, 785, 898, 1256, 1570, 1796, 2245, 2512, 3140, 3592, 3925, 4490, 6280, 7184, 7850, 8980, 11225, 12560, 15700, 17960, 22450, 31400, 35920, 44900, 62800, 70493, 89800, 140986, 179600, 281972, 352465, 563944, 704930, 1127888, 1409860, 1762325, 2819720, 3524650, 5639440, 7049300, 14098600, 28197200]

約数ペア:

[(1, 28197200), (2, 14098600), (4, 7049300), (5, 5639440), (8, 3524650), (10, 2819720), (16, 1762325), (20, 1409860), (25, 1127888), (40, 704930), (50, 563944), (80, 352465), (100, 281972), (157, 179600), (200, 140986), (314, 89800), (400, 70493), (449, 62800), (628, 44900), (785, 35920), (898, 31400), (1256, 22450), (1570, 17960), (1796, 15700), (2245, 12560), (2512, 11225), (3140, 8980), (3592, 7850), (3925, 7184), (4490, 6280)]