205123909990

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1\times {\mathrm{322669}}^1$

素因数の和:323248

約数の個数: 32

約数和(自身を含む): 372552200640

約数和(自身を除く): 167428290650

約数列:

[1, 2, 5, 10, 151, 302, 421, 755, 842, 1510, 2105, 4210, 63571, 127142, 317855, 322669, 635710, 645338, 1613345, 3226690, 48723019, 97446038, 135843649, 243615095, 271687298, 487230190, 679218245, 1358436490, 20512390999, 41024781998, 102561954995, 205123909990]

約数ペア:

[(1, 205123909990), (2, 102561954995), (5, 41024781998), (10, 20512390999), (151, 1358436490), (302, 679218245), (421, 487230190), (755, 271687298), (842, 243615095), (1510, 135843649), (2105, 97446038), (4210, 48723019), (63571, 3226690), (127142, 1613345), (317855, 645338), (322669, 635710)]