7281423460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5127763}}^1$

素因数の和:5127843

約数の個数: 24

約数和(自身を含む): 15506358336

約数和(自身を除く): 8224934876

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5127763, 10255526, 20511052, 25638815, 51277630, 102555260, 364071173, 728142346, 1456284692, 1820355865, 3640711730, 7281423460]

約数ペア:

[(1, 7281423460), (2, 3640711730), (4, 1820355865), (5, 1456284692), (10, 728142346), (20, 364071173), (71, 102555260), (142, 51277630), (284, 25638815), (355, 20511052), (710, 10255526), (1420, 5127763)]