223885240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{329243}}^1$

素因数の和:329271

約数の個数: 32

約数和(自身を含む): 533375280

約数和(自身を除く): 309490040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 329243, 658486, 1316972, 1646215, 2633944, 3292430, 5597131, 6584860, 11194262, 13169720, 22388524, 27985655, 44777048, 55971310, 111942620, 223885240]

約数ペア:

[(1, 223885240), (2, 111942620), (4, 55971310), (5, 44777048), (8, 27985655), (10, 22388524), (17, 13169720), (20, 11194262), (34, 6584860), (40, 5597131), (68, 3292430), (85, 2633944), (136, 1646215), (170, 1316972), (340, 658486), (680, 329243)]