156779452420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4051}}^1\times {\mathrm{10691}}^1$

素因数の和:14932

約数の個数: 48

約数和(自身を含む): 331168533696

約数和(自身を除く): 174389081276

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 4051, 8102, 10691, 16204, 20255, 21382, 40510, 42764, 53455, 81020, 106910, 213820, 733231, 1466462, 1935071, 2932924, 3666155, 3870142, 7332310, 7740284, 9675355, 14664620, 19350710, 38701420, 43309241, 86618482, 173236964, 216546205, 433092410, 866184820, 7838972621, 15677945242, 31355890484, 39194863105, 78389726210, 156779452420]

約数ペア:

[(1, 156779452420), (2, 78389726210), (4, 39194863105), (5, 31355890484), (10, 15677945242), (20, 7838972621), (181, 866184820), (362, 433092410), (724, 216546205), (905, 173236964), (1810, 86618482), (3620, 43309241), (4051, 38701420), (8102, 19350710), (10691, 14664620), (16204, 9675355), (20255, 7740284), (21382, 7332310), (40510, 3870142), (42764, 3666155), (53455, 2932924), (81020, 1935071), (106910, 1466462), (213820, 733231)]