155004185

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 236421120

約数和(自身を除く): 81416935

約数列:

[1, 5, 7, 19, 31, 35, 73, 95, 103, 133, 155, 217, 365, 511, 515, 589, 665, 721, 1085, 1387, 1957, 2263, 2555, 2945, 3193, 3605, 4123, 6935, 7519, 9709, 9785, 11315, 13699, 15841, 15965, 20615, 22351, 37595, 42997, 48545, 52633, 60667, 68495, 79205, 111755, 142861, 214985, 233089, 263165, 300979, 303335, 424669, 714305, 1000027, 1165445, 1504895, 1631623, 2123345, 4428691, 5000135, 8158115, 22143455, 31000837, 155004185]

約数ペア:

[(1, 155004185), (5, 31000837), (7, 22143455), (19, 8158115), (31, 5000135), (35, 4428691), (73, 2123345), (95, 1631623), (103, 1504895), (133, 1165445), (155, 1000027), (217, 714305), (365, 424669), (511, 303335), (515, 300979), (589, 263165), (665, 233089), (721, 214985), (1085, 142861), (1387, 111755), (1957, 79205), (2263, 68495), (2555, 60667), (2945, 52633), (3193, 48545), (3605, 42997), (4123, 37595), (6935, 22351), (7519, 20615), (9709, 15965), (9785, 15841), (11315, 13699)]