205490072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 411264000

約数和(自身を除く): 205773928

約数列:

[1, 2, 4, 8, 31, 62, 67, 83, 124, 134, 149, 166, 248, 268, 298, 332, 536, 596, 664, 1192, 2077, 2573, 4154, 4619, 5146, 5561, 8308, 9238, 9983, 10292, 11122, 12367, 16616, 18476, 19966, 20584, 22244, 24734, 36952, 39932, 44488, 49468, 79864, 98936, 172391, 309473, 344782, 383377, 618946, 689564, 766754, 828589, 1237892, 1379128, 1533508, 1657178, 2475784, 3067016, 3314356, 6628712, 25686259, 51372518, 102745036, 205490072]

約数ペア:

[(1, 205490072), (2, 102745036), (4, 51372518), (8, 25686259), (31, 6628712), (62, 3314356), (67, 3067016), (83, 2475784), (124, 1657178), (134, 1533508), (149, 1379128), (166, 1237892), (248, 828589), (268, 766754), (298, 689564), (332, 618946), (536, 383377), (596, 344782), (664, 309473), (1192, 172391), (2077, 98936), (2573, 79864), (4154, 49468), (4619, 44488), (5146, 39932), (5561, 36952), (8308, 24734), (9238, 22244), (9983, 20584), (10292, 19966), (11122, 18476), (12367, 16616)]