255399824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 551631360

約数和(自身を除く): 296231536

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 41, 62, 76, 82, 124, 152, 164, 248, 304, 328, 496, 589, 656, 661, 779, 1178, 1271, 1322, 1558, 2356, 2542, 2644, 3116, 4712, 5084, 5288, 6232, 9424, 10168, 10576, 12464, 12559, 20336, 20491, 24149, 25118, 27101, 40982, 48298, 50236, 54202, 81964, 96596, 100472, 108404, 163928, 193192, 200944, 216808, 327856, 386384, 389329, 433616, 514919, 778658, 840131, 1029838, 1557316, 1680262, 2059676, 3114632, 3360524, 4119352, 6229264, 6721048, 8238704, 13442096, 15962489, 31924978, 63849956, 127699912, 255399824]

約数ペア:

[(1, 255399824), (2, 127699912), (4, 63849956), (8, 31924978), (16, 15962489), (19, 13442096), (31, 8238704), (38, 6721048), (41, 6229264), (62, 4119352), (76, 3360524), (82, 3114632), (124, 2059676), (152, 1680262), (164, 1557316), (248, 1029838), (304, 840131), (328, 778658), (496, 514919), (589, 433616), (656, 389329), (661, 386384), (779, 327856), (1178, 216808), (1271, 200944), (1322, 193192), (1558, 163928), (2356, 108404), (2542, 100472), (2644, 96596), (3116, 81964), (4712, 54202), (5084, 50236), (5288, 48298), (6232, 40982), (9424, 27101), (10168, 25118), (10576, 24149), (12464, 20491), (12559, 20336)]