9919000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 28828800

約数和(自身を除く): 18909800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 109, 125, 130, 140, 175, 182, 200, 218, 250, 260, 280, 325, 350, 364, 436, 455, 500, 520, 545, 650, 700, 728, 763, 872, 875, 910, 1000, 1090, 1300, 1400, 1417, 1526, 1625, 1750, 1820, 2180, 2275, 2600, 2725, 2834, 3052, 3250, 3500, 3640, 3815, 4360, 4550, 5450, 5668, 6104, 6500, 7000, 7085, 7630, 9100, 9919, 10900, 11336, 11375, 13000, 13625, 14170, 15260, 18200, 19075, 19838, 21800, 22750, 27250, 28340, 30520, 35425, 38150, 39676, 45500, 49595, 54500, 56680, 70850, 76300, 79352, 91000, 95375, 99190, 109000, 141700, 152600, 177125, 190750, 198380, 247975, 283400, 354250, 381500, 396760, 495950, 708500, 763000, 991900, 1239875, 1417000, 1983800, 2479750, 4959500, 9919000]

約数ペア:

[(1, 9919000), (2, 4959500), (4, 2479750), (5, 1983800), (7, 1417000), (8, 1239875), (10, 991900), (13, 763000), (14, 708500), (20, 495950), (25, 396760), (26, 381500), (28, 354250), (35, 283400), (40, 247975), (50, 198380), (52, 190750), (56, 177125), (65, 152600), (70, 141700), (91, 109000), (100, 99190), (104, 95375), (109, 91000), (125, 79352), (130, 76300), (140, 70850), (175, 56680), (182, 54500), (200, 49595), (218, 45500), (250, 39676), (260, 38150), (280, 35425), (325, 30520), (350, 28340), (364, 27250), (436, 22750), (455, 21800), (500, 19838), (520, 19075), (545, 18200), (650, 15260), (700, 14170), (728, 13625), (763, 13000), (872, 11375), (875, 11336), (910, 10900), (1000, 9919), (1090, 9100), (1300, 7630), (1400, 7085), (1417, 7000), (1526, 6500), (1625, 6104), (1750, 5668), (1820, 5450), (2180, 4550), (2275, 4360), (2600, 3815), (2725, 3640), (2834, 3500), (3052, 3250)]