917552920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1\times {\mathrm{761}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 2118299040

約数和(自身を除く): 1200746120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 701, 761, 860, 1402, 1522, 1720, 2804, 3044, 3505, 3805, 5608, 6088, 7010, 7610, 14020, 15220, 28040, 30143, 30440, 32723, 60286, 65446, 120572, 130892, 150715, 163615, 241144, 261784, 301430, 327230, 533461, 602860, 654460, 1066922, 1205720, 1308920, 2133844, 2667305, 4267688, 5334610, 10669220, 21338440, 22938823, 45877646, 91755292, 114694115, 183510584, 229388230, 458776460, 917552920]

約数ペア:

[(1, 917552920), (2, 458776460), (4, 229388230), (5, 183510584), (8, 114694115), (10, 91755292), (20, 45877646), (40, 22938823), (43, 21338440), (86, 10669220), (172, 5334610), (215, 4267688), (344, 2667305), (430, 2133844), (701, 1308920), (761, 1205720), (860, 1066922), (1402, 654460), (1522, 602860), (1720, 533461), (2804, 327230), (3044, 301430), (3505, 261784), (3805, 241144), (5608, 163615), (6088, 150715), (7010, 130892), (7610, 120572), (14020, 65446), (15220, 60286), (28040, 32723), (30143, 30440)]