1231900540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4738079}}^1$

素因数の和:4738101

約数の個数: 24

約数和(自身を含む): 2785991040

約数和(自身を除く): 1554090500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4738079, 9476158, 18952316, 23690395, 47380790, 61595027, 94761580, 123190054, 246380108, 307975135, 615950270, 1231900540]

約数ペア:

[(1, 1231900540), (2, 615950270), (4, 307975135), (5, 246380108), (10, 123190054), (13, 94761580), (20, 61595027), (26, 47380790), (52, 23690395), (65, 18952316), (130, 9476158), (260, 4738079)]