198795280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{146173}}^1$

素因数の和:146203

約数の個数: 40

約数和(自身を含む): 489390552

約数和(自身を除く): 290595272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 146173, 292346, 584692, 730865, 1169384, 1461730, 2338768, 2484941, 2923460, 4969882, 5846920, 9939764, 11693840, 12424705, 19879528, 24849410, 39759056, 49698820, 99397640, 198795280]

約数ペア:

[(1, 198795280), (2, 99397640), (4, 49698820), (5, 39759056), (8, 24849410), (10, 19879528), (16, 12424705), (17, 11693840), (20, 9939764), (34, 5846920), (40, 4969882), (68, 2923460), (80, 2484941), (85, 2338768), (136, 1461730), (170, 1169384), (272, 730865), (340, 584692), (680, 292346), (1360, 146173)]