200861875

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 266539680

約数和(自身を除く): 65677805

約数列:

[1, 5, 23, 25, 89, 115, 125, 157, 445, 575, 625, 785, 2047, 2225, 2875, 3611, 3925, 10235, 11125, 13973, 14375, 18055, 19625, 51175, 55625, 69865, 90275, 98125, 255875, 321379, 349325, 451375, 1279375, 1606895, 1746625, 2256875, 8034475, 8733125, 40172375, 200861875]

約数ペア:

[(1, 200861875), (5, 40172375), (23, 8733125), (25, 8034475), (89, 2256875), (115, 1746625), (125, 1606895), (157, 1279375), (445, 451375), (575, 349325), (625, 321379), (785, 255875), (2047, 98125), (2225, 90275), (2875, 69865), (3611, 55625), (3925, 51175), (10235, 19625), (11125, 18055), (13973, 14375)]