1296460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 3048192

約数和(自身を除く): 1751732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 83, 110, 142, 166, 220, 284, 332, 355, 415, 710, 781, 830, 913, 1420, 1562, 1660, 1826, 3124, 3652, 3905, 4565, 5893, 7810, 9130, 11786, 15620, 18260, 23572, 29465, 58930, 64823, 117860, 129646, 259292, 324115, 648230, 1296460]

約数ペア:

[(1, 1296460), (2, 648230), (4, 324115), (5, 259292), (10, 129646), (11, 117860), (20, 64823), (22, 58930), (44, 29465), (55, 23572), (71, 18260), (83, 15620), (110, 11786), (142, 9130), (166, 7810), (220, 5893), (284, 4565), (332, 3905), (355, 3652), (415, 3124), (710, 1826), (781, 1660), (830, 1562), (913, 1420)]