2427800

素因数分解:

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

素因数の和:276

約数の個数: 48

約数和(自身を含む): 5766000

約数和(自身を除く): 3338200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 199, 200, 244, 305, 398, 488, 610, 796, 995, 1220, 1525, 1592, 1990, 2440, 3050, 3980, 4975, 6100, 7960, 9950, 12139, 12200, 19900, 24278, 39800, 48556, 60695, 97112, 121390, 242780, 303475, 485560, 606950, 1213900, 2427800]

約数ペア:

[(1, 2427800), (2, 1213900), (4, 606950), (5, 485560), (8, 303475), (10, 242780), (20, 121390), (25, 97112), (40, 60695), (50, 48556), (61, 39800), (100, 24278), (122, 19900), (199, 12200), (200, 12139), (244, 9950), (305, 7960), (398, 6100), (488, 4975), (610, 3980), (796, 3050), (995, 2440), (1220, 1990), (1525, 1592)]