12139000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 29016000

約数和(自身を除く): 16877000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 199, 200, 244, 250, 305, 398, 488, 500, 610, 796, 995, 1000, 1220, 1525, 1592, 1990, 2440, 3050, 3980, 4975, 6100, 7625, 7960, 9950, 12139, 12200, 15250, 19900, 24278, 24875, 30500, 39800, 48556, 49750, 60695, 61000, 97112, 99500, 121390, 199000, 242780, 303475, 485560, 606950, 1213900, 1517375, 2427800, 3034750, 6069500, 12139000]

約数ペア:

[(1, 12139000), (2, 6069500), (4, 3034750), (5, 2427800), (8, 1517375), (10, 1213900), (20, 606950), (25, 485560), (40, 303475), (50, 242780), (61, 199000), (100, 121390), (122, 99500), (125, 97112), (199, 61000), (200, 60695), (244, 49750), (250, 48556), (305, 39800), (398, 30500), (488, 24875), (500, 24278), (610, 19900), (796, 15250), (995, 12200), (1000, 12139), (1220, 9950), (1525, 7960), (1592, 7625), (1990, 6100), (2440, 4975), (3050, 3980)]