254179492

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{349}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 551544000

約数和(自身を除く): 297364508

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 349, 518, 532, 698, 703, 1036, 1369, 1396, 1406, 2443, 2738, 2812, 4886, 4921, 5476, 6631, 9583, 9772, 9842, 12913, 13262, 19166, 19684, 25826, 26011, 26524, 38332, 46417, 51652, 52022, 90391, 92834, 104044, 180782, 182077, 185668, 245347, 361564, 364154, 477781, 490694, 728308, 955562, 981388, 1717429, 1911124, 3344467, 3434858, 6688934, 6869716, 9077839, 13377868, 18155678, 36311356, 63544873, 127089746, 254179492]

約数ペア:

[(1, 254179492), (2, 127089746), (4, 63544873), (7, 36311356), (14, 18155678), (19, 13377868), (28, 9077839), (37, 6869716), (38, 6688934), (74, 3434858), (76, 3344467), (133, 1911124), (148, 1717429), (259, 981388), (266, 955562), (349, 728308), (518, 490694), (532, 477781), (698, 364154), (703, 361564), (1036, 245347), (1369, 185668), (1396, 182077), (1406, 180782), (2443, 104044), (2738, 92834), (2812, 90391), (4886, 52022), (4921, 51652), (5476, 46417), (6631, 38332), (9583, 26524), (9772, 26011), (9842, 25826), (12913, 19684), (13262, 19166)]