155916964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^2$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 340948160

約数和(自身を除く): 185031196

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 89, 133, 148, 178, 259, 266, 356, 518, 532, 623, 703, 1036, 1246, 1406, 1691, 2492, 2812, 3293, 3382, 4921, 6586, 6764, 7921, 9842, 11837, 13172, 15842, 19684, 23051, 23674, 31684, 46102, 47348, 55447, 62567, 92204, 110894, 125134, 150499, 221788, 250268, 293077, 300998, 437969, 586154, 601996, 875938, 1053493, 1172308, 1751876, 2051539, 2106986, 4103078, 4213972, 5568463, 8206156, 11136926, 22273852, 38979241, 77958482, 155916964]

約数ペア:

[(1, 155916964), (2, 77958482), (4, 38979241), (7, 22273852), (14, 11136926), (19, 8206156), (28, 5568463), (37, 4213972), (38, 4103078), (74, 2106986), (76, 2051539), (89, 1751876), (133, 1172308), (148, 1053493), (178, 875938), (259, 601996), (266, 586154), (356, 437969), (518, 300998), (532, 293077), (623, 250268), (703, 221788), (1036, 150499), (1246, 125134), (1406, 110894), (1691, 92204), (2492, 62567), (2812, 55447), (3293, 47348), (3382, 46102), (4921, 31684), (6586, 23674), (6764, 23051), (7921, 19684), (9842, 15842), (11837, 13172)]