139471600

素因数分解:

$2^4\times 5^2\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1258

約数の個数: 60

約数和(自身を含む): 336273120

約数和(自身を除く): 196801520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 431, 809, 862, 1618, 1724, 2155, 3236, 3448, 4045, 4310, 6472, 6896, 8090, 8620, 10775, 12944, 16180, 17240, 20225, 21550, 32360, 34480, 40450, 43100, 64720, 80900, 86200, 161800, 172400, 323600, 348679, 697358, 1394716, 1743395, 2789432, 3486790, 5578864, 6973580, 8716975, 13947160, 17433950, 27894320, 34867900, 69735800, 139471600]

約数ペア:

[(1, 139471600), (2, 69735800), (4, 34867900), (5, 27894320), (8, 17433950), (10, 13947160), (16, 8716975), (20, 6973580), (25, 5578864), (40, 3486790), (50, 2789432), (80, 1743395), (100, 1394716), (200, 697358), (400, 348679), (431, 323600), (809, 172400), (862, 161800), (1618, 86200), (1724, 80900), (2155, 64720), (3236, 43100), (3448, 40450), (4045, 34480), (4310, 32360), (6472, 21550), (6896, 20225), (8090, 17240), (8620, 16180), (10775, 12944)]