190510640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{55381}}^1$

素因数の和:55437

約数の個数: 40

約数和(自身を含む): 453246288

約数和(自身を除く): 262735648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 55381, 110762, 221524, 276905, 443048, 553810, 886096, 1107620, 2215240, 2381383, 4430480, 4762766, 9525532, 11906915, 19051064, 23813830, 38102128, 47627660, 95255320, 190510640]

約数ペア:

[(1, 190510640), (2, 95255320), (4, 47627660), (5, 38102128), (8, 23813830), (10, 19051064), (16, 11906915), (20, 9525532), (40, 4762766), (43, 4430480), (80, 2381383), (86, 2215240), (172, 1107620), (215, 886096), (344, 553810), (430, 443048), (688, 276905), (860, 221524), (1720, 110762), (3440, 55381)]