287145040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39443}}^1$

素因数の和:39476

約数の個数: 80

約数和(自身を含む): 821697408

約数和(自身を除く): 534552368

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 39443, 78886, 157772, 197215, 276101, 315544, 394430, 512759, 552202, 631088, 788860, 1025518, 1104404, 1380505, 1577720, 2051036, 2208808, 2563795, 2761010, 3155440, 3589313, 4102072, 4417616, 5127590, 5522020, 7178626, 8204144, 10255180, 11044040, 14357252, 17946565, 20510360, 22088080, 28714504, 35893130, 41020720, 57429008, 71786260, 143572520, 287145040]

約数ペア:

[(1, 287145040), (2, 143572520), (4, 71786260), (5, 57429008), (7, 41020720), (8, 35893130), (10, 28714504), (13, 22088080), (14, 20510360), (16, 17946565), (20, 14357252), (26, 11044040), (28, 10255180), (35, 8204144), (40, 7178626), (52, 5522020), (56, 5127590), (65, 4417616), (70, 4102072), (80, 3589313), (91, 3155440), (104, 2761010), (112, 2563795), (130, 2208808), (140, 2051036), (182, 1577720), (208, 1380505), (260, 1104404), (280, 1025518), (364, 788860), (455, 631088), (520, 552202), (560, 512759), (728, 394430), (910, 315544), (1040, 276101), (1456, 197215), (1820, 157772), (3640, 78886), (7280, 39443)]