187956875

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 247420800

約数和(自身を除く): 59463925

約数列:

[1, 5, 25, 31, 89, 109, 125, 155, 445, 545, 625, 775, 2225, 2725, 2759, 3379, 3875, 9701, 11125, 13625, 13795, 16895, 19375, 48505, 55625, 68125, 68975, 84475, 242525, 300731, 344875, 422375, 1212625, 1503655, 1724375, 2111875, 6063125, 7518275, 37591375, 187956875]

約数ペア:

[(1, 187956875), (5, 37591375), (25, 7518275), (31, 6063125), (89, 2111875), (109, 1724375), (125, 1503655), (155, 1212625), (445, 422375), (545, 344875), (625, 300731), (775, 242525), (2225, 84475), (2725, 68975), (2759, 68125), (3379, 55625), (3875, 48505), (9701, 19375), (11125, 16895), (13625, 13795)]