18923800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1931}}^1$

素因数の和:1961

約数の個数: 72

約数和(自身を含む): 51207660

約数和(自身を除く): 32283860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1931, 1960, 2450, 3862, 4900, 7724, 9655, 9800, 13517, 15448, 19310, 27034, 38620, 48275, 54068, 67585, 77240, 94619, 96550, 108136, 135170, 189238, 193100, 270340, 337925, 378476, 386200, 473095, 540680, 675850, 756952, 946190, 1351700, 1892380, 2365475, 2703400, 3784760, 4730950, 9461900, 18923800]

約数ペア:

[(1, 18923800), (2, 9461900), (4, 4730950), (5, 3784760), (7, 2703400), (8, 2365475), (10, 1892380), (14, 1351700), (20, 946190), (25, 756952), (28, 675850), (35, 540680), (40, 473095), (49, 386200), (50, 378476), (56, 337925), (70, 270340), (98, 193100), (100, 189238), (140, 135170), (175, 108136), (196, 96550), (200, 94619), (245, 77240), (280, 67585), (350, 54068), (392, 48275), (490, 38620), (700, 27034), (980, 19310), (1225, 15448), (1400, 13517), (1931, 9800), (1960, 9655), (2450, 7724), (3862, 4900)]