90470072

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20981}}^1$

素因数の和:21012

約数の個数: 48

約数和(自身を含む): 215275320

約数和(自身を除く): 124805248

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 20981, 41962, 83924, 146867, 167848, 230791, 293734, 461582, 587468, 923164, 1028069, 1174936, 1615537, 1846328, 2056138, 3231074, 4112276, 6462148, 8224552, 11308759, 12924296, 22617518, 45235036, 90470072]

約数ペア:

[(1, 90470072), (2, 45235036), (4, 22617518), (7, 12924296), (8, 11308759), (11, 8224552), (14, 6462148), (22, 4112276), (28, 3231074), (44, 2056138), (49, 1846328), (56, 1615537), (77, 1174936), (88, 1028069), (98, 923164), (154, 587468), (196, 461582), (308, 293734), (392, 230791), (539, 167848), (616, 146867), (1078, 83924), (2156, 41962), (4312, 20981)]