222765728

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2459}}^1$

素因数の和:2637

約数の個数: 48

約数和(自身を含む): 464940000

約数和(自身を除く): 242174272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 149, 152, 298, 304, 596, 608, 1192, 2384, 2459, 2831, 4768, 4918, 5662, 9836, 11324, 19672, 22648, 39344, 45296, 46721, 78688, 90592, 93442, 186884, 366391, 373768, 732782, 747536, 1465564, 1495072, 2931128, 5862256, 6961429, 11724512, 13922858, 27845716, 55691432, 111382864, 222765728]

約数ペア:

[(1, 222765728), (2, 111382864), (4, 55691432), (8, 27845716), (16, 13922858), (19, 11724512), (32, 6961429), (38, 5862256), (76, 2931128), (149, 1495072), (152, 1465564), (298, 747536), (304, 732782), (596, 373768), (608, 366391), (1192, 186884), (2384, 93442), (2459, 90592), (2831, 78688), (4768, 46721), (4918, 45296), (5662, 39344), (9836, 22648), (11324, 19672)]