4890200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{499}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 13252500

約数和(自身を除く): 8362300

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, 499, 700, 980, 998, 1225, 1400, 1960, 1996, 2450, 2495, 3493, 3992, 4900, 4990, 6986, 9800, 9980, 12475, 13972, 17465, 19960, 24451, 24950, 27944, 34930, 48902, 49900, 69860, 87325, 97804, 99800, 122255, 139720, 174650, 195608, 244510, 349300, 489020, 611275, 698600, 978040, 1222550, 2445100, 4890200]

約数ペア:

[(1, 4890200), (2, 2445100), (4, 1222550), (5, 978040), (7, 698600), (8, 611275), (10, 489020), (14, 349300), (20, 244510), (25, 195608), (28, 174650), (35, 139720), (40, 122255), (49, 99800), (50, 97804), (56, 87325), (70, 69860), (98, 49900), (100, 48902), (140, 34930), (175, 27944), (196, 24950), (200, 24451), (245, 19960), (280, 17465), (350, 13972), (392, 12475), (490, 9980), (499, 9800), (700, 6986), (980, 4990), (998, 4900), (1225, 3992), (1400, 3493), (1960, 2495), (1996, 2450)]