207238280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2531}}^1$

素因数の和:2654

約数の個数: 64

約数和(自身を含む): 492220800

約数和(自身を除く): 284982520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2047, 2531, 3560, 4094, 5062, 8188, 10124, 10235, 12655, 16376, 20248, 20470, 25310, 40940, 50620, 58213, 81880, 101240, 116426, 225259, 232852, 291065, 450518, 465704, 582130, 901036, 1126295, 1164260, 1802072, 2252590, 2328520, 4505180, 5180957, 9010360, 10361914, 20723828, 25904785, 41447656, 51809570, 103619140, 207238280]

約数ペア:

[(1, 207238280), (2, 103619140), (4, 51809570), (5, 41447656), (8, 25904785), (10, 20723828), (20, 10361914), (23, 9010360), (40, 5180957), (46, 4505180), (89, 2328520), (92, 2252590), (115, 1802072), (178, 1164260), (184, 1126295), (230, 901036), (356, 582130), (445, 465704), (460, 450518), (712, 291065), (890, 232852), (920, 225259), (1780, 116426), (2047, 101240), (2531, 81880), (3560, 58213), (4094, 50620), (5062, 40940), (8188, 25310), (10124, 20470), (10235, 20248), (12655, 16376)]