205120971410

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1153}}^1\times {\mathrm{42257}}^1$

素因数の和:43838

約数の個数: 32

約数和(自身を含む): 370424500272

約数和(自身を除く): 165303528862

約数列:

[1, 2, 5, 10, 421, 842, 1153, 2105, 2306, 4210, 5765, 11530, 42257, 84514, 211285, 422570, 485413, 970826, 2427065, 4854130, 17790197, 35580394, 48722321, 88950985, 97444642, 177901970, 243611605, 487223210, 20512097141, 41024194282, 102560485705, 205120971410]

約数ペア:

[(1, 205120971410), (2, 102560485705), (5, 41024194282), (10, 20512097141), (421, 487223210), (842, 243611605), (1153, 177901970), (2105, 97444642), (2306, 88950985), (4210, 48722321), (5765, 35580394), (11530, 17790197), (42257, 4854130), (84514, 2427065), (211285, 970826), (422570, 485413)]