78339550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 151240320

約数和(自身を除く): 72900770

約数列:

[1, 2, 5, 10, 25, 43, 50, 83, 86, 166, 215, 415, 430, 439, 830, 878, 1075, 2075, 2150, 2195, 3569, 4150, 4390, 7138, 10975, 17845, 18877, 21950, 35690, 36437, 37754, 72874, 89225, 94385, 178450, 182185, 188770, 364370, 471925, 910925, 943850, 1566791, 1821850, 3133582, 7833955, 15667910, 39169775, 78339550]

約数ペア:

[(1, 78339550), (2, 39169775), (5, 15667910), (10, 7833955), (25, 3133582), (43, 1821850), (50, 1566791), (83, 943850), (86, 910925), (166, 471925), (215, 364370), (415, 188770), (430, 182185), (439, 178450), (830, 94385), (878, 89225), (1075, 72874), (2075, 37754), (2150, 36437), (2195, 35690), (3569, 21950), (4150, 18877), (4390, 17845), (7138, 10975)]