2807060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3543340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 89, 95, 166, 178, 190, 332, 356, 380, 415, 445, 830, 890, 1577, 1660, 1691, 1780, 3154, 3382, 6308, 6764, 7387, 7885, 8455, 14774, 15770, 16910, 29548, 31540, 33820, 36935, 73870, 140353, 147740, 280706, 561412, 701765, 1403530, 2807060]

約数ペア:

[(1, 2807060), (2, 1403530), (4, 701765), (5, 561412), (10, 280706), (19, 147740), (20, 140353), (38, 73870), (76, 36935), (83, 33820), (89, 31540), (95, 29548), (166, 16910), (178, 15770), (190, 14774), (332, 8455), (356, 7885), (380, 7387), (415, 6764), (445, 6308), (830, 3382), (890, 3154), (1577, 1780), (1660, 1691)]