223919240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{329293}}^1$

素因数の和:329321

約数の個数: 32

約数和(自身を含む): 533456280

約数和(自身を除く): 309537040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 329293, 658586, 1317172, 1646465, 2634344, 3292930, 5597981, 6585860, 11195962, 13171720, 22391924, 27989905, 44783848, 55979810, 111959620, 223919240]

約数ペア:

[(1, 223919240), (2, 111959620), (4, 55979810), (5, 44783848), (8, 27989905), (10, 22391924), (17, 13171720), (20, 11195962), (34, 6585860), (40, 5597981), (68, 3292930), (85, 2634344), (136, 1646465), (170, 1317172), (340, 658586), (680, 329293)]