288021640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6661}}^1$

素因数の和:6742

約数の個数: 64

約数和(自身を含む): 690716160

約数和(自身を除く): 402694520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2162, 4324, 5405, 6661, 8648, 10810, 13322, 21620, 26644, 33305, 43240, 53288, 66610, 133220, 153203, 266440, 306406, 313067, 612812, 626134, 766015, 1225624, 1252268, 1532030, 1565335, 2504536, 3064060, 3130670, 6128120, 6261340, 7200541, 12522680, 14401082, 28802164, 36002705, 57604328, 72005410, 144010820, 288021640]

約数ペア:

[(1, 288021640), (2, 144010820), (4, 72005410), (5, 57604328), (8, 36002705), (10, 28802164), (20, 14401082), (23, 12522680), (40, 7200541), (46, 6261340), (47, 6128120), (92, 3130670), (94, 3064060), (115, 2504536), (184, 1565335), (188, 1532030), (230, 1252268), (235, 1225624), (376, 766015), (460, 626134), (470, 612812), (920, 313067), (940, 306406), (1081, 266440), (1880, 153203), (2162, 133220), (4324, 66610), (5405, 53288), (6661, 43240), (8648, 33305), (10810, 26644), (13322, 21620)]