239415280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10009}}^1$

素因数の和:10058

約数の個数: 80

約数和(自身を含む): 625584960

約数和(自身を除く): 386169680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 10009, 11960, 20018, 23920, 40036, 50045, 80072, 100090, 130117, 160144, 200180, 230207, 260234, 400360, 460414, 520468, 650585, 800720, 920828, 1040936, 1151035, 1301170, 1841656, 2081872, 2302070, 2602340, 2992691, 3683312, 4604140, 5204680, 5985382, 9208280, 10409360, 11970764, 14963455, 18416560, 23941528, 29926910, 47883056, 59853820, 119707640, 239415280]

約数ペア:

[(1, 239415280), (2, 119707640), (4, 59853820), (5, 47883056), (8, 29926910), (10, 23941528), (13, 18416560), (16, 14963455), (20, 11970764), (23, 10409360), (26, 9208280), (40, 5985382), (46, 5204680), (52, 4604140), (65, 3683312), (80, 2992691), (92, 2602340), (104, 2302070), (115, 2081872), (130, 1841656), (184, 1301170), (208, 1151035), (230, 1040936), (260, 920828), (299, 800720), (368, 650585), (460, 520468), (520, 460414), (598, 400360), (920, 260234), (1040, 230207), (1196, 200180), (1495, 160144), (1840, 130117), (2392, 100090), (2990, 80072), (4784, 50045), (5980, 40036), (10009, 23920), (11960, 20018)]