199472120

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{44131}}^1$

素因数の和:44255

約数の個数: 32

約数和(自身を含む): 452794320

約数和(自身を除く): 253322200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 44131, 88262, 176524, 220655, 353048, 441310, 882620, 1765240, 4986803, 9973606, 19947212, 24934015, 39894424, 49868030, 99736060, 199472120]

約数ペア:

[(1, 199472120), (2, 99736060), (4, 49868030), (5, 39894424), (8, 24934015), (10, 19947212), (20, 9973606), (40, 4986803), (113, 1765240), (226, 882620), (452, 441310), (565, 353048), (904, 220655), (1130, 176524), (2260, 88262), (4520, 44131)]