278389216

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:624

約数の個数: 96

約数和(自身を含む): 665280000

約数和(自身を除く): 386890784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 149, 152, 224, 266, 298, 304, 439, 532, 596, 608, 878, 1043, 1064, 1192, 1756, 2086, 2128, 2384, 2831, 3073, 3512, 4172, 4256, 4768, 5662, 6146, 7024, 8341, 8344, 11324, 12292, 14048, 16682, 16688, 19817, 22648, 24584, 33364, 33376, 39634, 45296, 49168, 58387, 65411, 66728, 79268, 90592, 98336, 116774, 130822, 133456, 158536, 233548, 261644, 266912, 317072, 457877, 467096, 523288, 634144, 915754, 934192, 1046576, 1242809, 1831508, 1868384, 2093152, 2485618, 3663016, 4971236, 7326032, 8699663, 9942472, 14652064, 17399326, 19884944, 34798652, 39769888, 69597304, 139194608, 278389216]

約数ペア:

[(1, 278389216), (2, 139194608), (4, 69597304), (7, 39769888), (8, 34798652), (14, 19884944), (16, 17399326), (19, 14652064), (28, 9942472), (32, 8699663), (38, 7326032), (56, 4971236), (76, 3663016), (112, 2485618), (133, 2093152), (149, 1868384), (152, 1831508), (224, 1242809), (266, 1046576), (298, 934192), (304, 915754), (439, 634144), (532, 523288), (596, 467096), (608, 457877), (878, 317072), (1043, 266912), (1064, 261644), (1192, 233548), (1756, 158536), (2086, 133456), (2128, 130822), (2384, 116774), (2831, 98336), (3073, 90592), (3512, 79268), (4172, 66728), (4256, 65411), (4768, 58387), (5662, 49168), (6146, 45296), (7024, 39634), (8341, 33376), (8344, 33364), (11324, 24584), (12292, 22648), (14048, 19817), (16682, 16688)]