158586820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4513}}^1$

素因数の和:4780

約数の個数: 48

約数和(自身を含む): 382209408

約数和(自身を除く): 223622588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 4513, 5020, 7028, 8785, 9026, 17570, 18052, 22565, 31591, 35140, 45130, 63182, 90260, 126364, 157955, 315910, 631820, 1132763, 2265526, 4531052, 5663815, 7929341, 11327630, 15858682, 22655260, 31717364, 39646705, 79293410, 158586820]

約数ペア:

[(1, 158586820), (2, 79293410), (4, 39646705), (5, 31717364), (7, 22655260), (10, 15858682), (14, 11327630), (20, 7929341), (28, 5663815), (35, 4531052), (70, 2265526), (140, 1132763), (251, 631820), (502, 315910), (1004, 157955), (1255, 126364), (1757, 90260), (2510, 63182), (3514, 45130), (4513, 35140), (5020, 31591), (7028, 22565), (8785, 18052), (9026, 17570)]