72817450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 141419520

約数和(自身を除く): 68602070

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 109, 155, 218, 310, 431, 545, 775, 862, 1090, 1550, 2155, 2725, 3379, 4310, 5450, 6758, 10775, 13361, 16895, 21550, 26722, 33790, 46979, 66805, 84475, 93958, 133610, 168950, 234895, 334025, 469790, 668050, 1174475, 1456349, 2348950, 2912698, 7281745, 14563490, 36408725, 72817450]

約数ペア:

[(1, 72817450), (2, 36408725), (5, 14563490), (10, 7281745), (25, 2912698), (31, 2348950), (50, 1456349), (62, 1174475), (109, 668050), (155, 469790), (218, 334025), (310, 234895), (431, 168950), (545, 133610), (775, 93958), (862, 84475), (1090, 66805), (1550, 46979), (2155, 33790), (2725, 26722), (3379, 21550), (4310, 16895), (5450, 13361), (6758, 10775)]