1812492040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1\times {\mathrm{1949}}^1$

素因数の和:2374

約数の個数: 64

約数和(自身を含む): 4153032000

約数和(自身を除く): 2340539960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 347, 536, 670, 694, 1340, 1388, 1735, 1949, 2680, 2776, 3470, 3898, 6940, 7796, 9745, 13880, 15592, 19490, 23249, 38980, 46498, 77960, 92996, 116245, 130583, 185992, 232490, 261166, 464980, 522332, 652915, 676303, 929960, 1044664, 1305830, 1352606, 2611660, 2705212, 3381515, 5223320, 5410424, 6763030, 13526060, 27052120, 45312301, 90624602, 181249204, 226561505, 362498408, 453123010, 906246020, 1812492040]

約数ペア:

[(1, 1812492040), (2, 906246020), (4, 453123010), (5, 362498408), (8, 226561505), (10, 181249204), (20, 90624602), (40, 45312301), (67, 27052120), (134, 13526060), (268, 6763030), (335, 5410424), (347, 5223320), (536, 3381515), (670, 2705212), (694, 2611660), (1340, 1352606), (1388, 1305830), (1735, 1044664), (1949, 929960), (2680, 676303), (2776, 652915), (3470, 522332), (3898, 464980), (6940, 261166), (7796, 232490), (9745, 185992), (13880, 130583), (15592, 116245), (19490, 92996), (23249, 77960), (38980, 46498)]