247000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 64

約数和(自身を含む): 655200

約数和(自身を除く): 408200

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 125, 130, 152, 190, 200, 247, 250, 260, 325, 380, 475, 494, 500, 520, 650, 760, 950, 988, 1000, 1235, 1300, 1625, 1900, 1976, 2375, 2470, 2600, 3250, 3800, 4750, 4940, 6175, 6500, 9500, 9880, 12350, 13000, 19000, 24700, 30875, 49400, 61750, 123500, 247000]

約数ペア:

[(1, 247000), (2, 123500), (4, 61750), (5, 49400), (8, 30875), (10, 24700), (13, 19000), (19, 13000), (20, 12350), (25, 9880), (26, 9500), (38, 6500), (40, 6175), (50, 4940), (52, 4750), (65, 3800), (76, 3250), (95, 2600), (100, 2470), (104, 2375), (125, 1976), (130, 1900), (152, 1625), (190, 1300), (200, 1235), (247, 1000), (250, 988), (260, 950), (325, 760), (380, 650), (475, 520), (494, 500)]