172917880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{254291}}^1$

素因数の和:254319

約数の個数: 32

約数和(自身を含む): 411953040

約数和(自身を除く): 239035160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 254291, 508582, 1017164, 1271455, 2034328, 2542910, 4322947, 5085820, 8645894, 10171640, 17291788, 21614735, 34583576, 43229470, 86458940, 172917880]

約数ペア:

[(1, 172917880), (2, 86458940), (4, 43229470), (5, 34583576), (8, 21614735), (10, 17291788), (17, 10171640), (20, 8645894), (34, 5085820), (40, 4322947), (68, 2542910), (85, 2034328), (136, 1271455), (170, 1017164), (340, 508582), (680, 254291)]