245845240

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{26839}}^1$

素因数の和:27079

約数の個数: 32

約数和(自身を含む): 555588000

約数和(自身を除く): 309742760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 26839, 53678, 107356, 134195, 214712, 268390, 536780, 1073560, 6146131, 12292262, 24584524, 30730655, 49169048, 61461310, 122922620, 245845240]

約数ペア:

[(1, 245845240), (2, 122922620), (4, 61461310), (5, 49169048), (8, 30730655), (10, 24584524), (20, 12292262), (40, 6146131), (229, 1073560), (458, 536780), (916, 268390), (1145, 214712), (1832, 134195), (2290, 107356), (4580, 53678), (9160, 26839)]