199949240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{294043}}^1$

素因数の和:294071

約数の個数: 32

約数和(自身を含む): 476351280

約数和(自身を除く): 276402040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 294043, 588086, 1176172, 1470215, 2352344, 2940430, 4998731, 5880860, 9997462, 11761720, 19994924, 24993655, 39989848, 49987310, 99974620, 199949240]

約数ペア:

[(1, 199949240), (2, 99974620), (4, 49987310), (5, 39989848), (8, 24993655), (10, 19994924), (17, 11761720), (20, 9997462), (34, 5880860), (40, 4998731), (68, 2940430), (85, 2352344), (136, 1470215), (170, 1176172), (340, 588086), (680, 294043)]