84053620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 206841600

約数和(自身を除く): 122787980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 398, 431, 490, 796, 862, 980, 995, 1393, 1724, 1990, 2155, 2786, 3017, 3980, 4310, 5572, 6034, 6965, 8620, 9751, 12068, 13930, 15085, 19502, 21119, 27860, 30170, 39004, 42238, 48755, 60340, 84476, 85769, 97510, 105595, 171538, 195020, 211190, 343076, 422380, 428845, 600383, 857690, 1200766, 1715380, 2401532, 3001915, 4202681, 6003830, 8405362, 12007660, 16810724, 21013405, 42026810, 84053620]

約数ペア:

[(1, 84053620), (2, 42026810), (4, 21013405), (5, 16810724), (7, 12007660), (10, 8405362), (14, 6003830), (20, 4202681), (28, 3001915), (35, 2401532), (49, 1715380), (70, 1200766), (98, 857690), (140, 600383), (196, 428845), (199, 422380), (245, 343076), (398, 211190), (431, 195020), (490, 171538), (796, 105595), (862, 97510), (980, 85769), (995, 84476), (1393, 60340), (1724, 48755), (1990, 42238), (2155, 39004), (2786, 30170), (3017, 27860), (3980, 21119), (4310, 19502), (5572, 15085), (6034, 13930), (6965, 12068), (8620, 9751)]