66453800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{6781}}^1$

素因数の和:6811

約数の個数: 72

約数和(自身を含む): 179756910

約数和(自身を除く): 113303110

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, 1960, 2450, 4900, 6781, 9800, 13562, 27124, 33905, 47467, 54248, 67810, 94934, 135620, 169525, 189868, 237335, 271240, 332269, 339050, 379736, 474670, 664538, 678100, 949340, 1186675, 1329076, 1356200, 1661345, 1898680, 2373350, 2658152, 3322690, 4746700, 6645380, 8306725, 9493400, 13290760, 16613450, 33226900, 66453800]

約数ペア:

[(1, 66453800), (2, 33226900), (4, 16613450), (5, 13290760), (7, 9493400), (8, 8306725), (10, 6645380), (14, 4746700), (20, 3322690), (25, 2658152), (28, 2373350), (35, 1898680), (40, 1661345), (49, 1356200), (50, 1329076), (56, 1186675), (70, 949340), (98, 678100), (100, 664538), (140, 474670), (175, 379736), (196, 339050), (200, 332269), (245, 271240), (280, 237335), (350, 189868), (392, 169525), (490, 135620), (700, 94934), (980, 67810), (1225, 54248), (1400, 47467), (1960, 33905), (2450, 27124), (4900, 13562), (6781, 9800)]