338947760

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 806900736

約数和(自身を除く): 467952976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 127, 146, 254, 292, 365, 457, 508, 584, 635, 730, 914, 1016, 1168, 1270, 1460, 1828, 2032, 2285, 2540, 2920, 3656, 4570, 5080, 5840, 7312, 9140, 9271, 10160, 18280, 18542, 33361, 36560, 37084, 46355, 58039, 66722, 74168, 92710, 116078, 133444, 148336, 166805, 185420, 232156, 266888, 290195, 333610, 370840, 464312, 533776, 580390, 667220, 741680, 928624, 1160780, 1334440, 2321560, 2668880, 4236847, 4643120, 8473694, 16947388, 21184235, 33894776, 42368470, 67789552, 84736940, 169473880, 338947760]

約数ペア:

[(1, 338947760), (2, 169473880), (4, 84736940), (5, 67789552), (8, 42368470), (10, 33894776), (16, 21184235), (20, 16947388), (40, 8473694), (73, 4643120), (80, 4236847), (127, 2668880), (146, 2321560), (254, 1334440), (292, 1160780), (365, 928624), (457, 741680), (508, 667220), (584, 580390), (635, 533776), (730, 464312), (914, 370840), (1016, 333610), (1168, 290195), (1270, 266888), (1460, 232156), (1828, 185420), (2032, 166805), (2285, 148336), (2540, 133444), (2920, 116078), (3656, 92710), (4570, 74168), (5080, 66722), (5840, 58039), (7312, 46355), (9140, 37084), (9271, 36560), (10160, 33361), (18280, 18542)]