257477364

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2087}}^1$

素因数の和:2269

約数の個数: 72

約数和(自身を含む): 684028800

約数和(自身を除く): 426551436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 149, 207, 276, 298, 414, 447, 596, 828, 894, 1341, 1788, 2087, 2682, 3427, 4174, 5364, 6261, 6854, 8348, 10281, 12522, 13708, 18783, 20562, 25044, 30843, 37566, 41124, 48001, 61686, 75132, 96002, 123372, 144003, 192004, 288006, 310963, 432009, 576012, 621926, 864018, 932889, 1243852, 1728036, 1865778, 2798667, 3731556, 5597334, 7152149, 11194668, 14304298, 21456447, 28608596, 42912894, 64369341, 85825788, 128738682, 257477364]

約数ペア:

[(1, 257477364), (2, 128738682), (3, 85825788), (4, 64369341), (6, 42912894), (9, 28608596), (12, 21456447), (18, 14304298), (23, 11194668), (36, 7152149), (46, 5597334), (69, 3731556), (92, 2798667), (138, 1865778), (149, 1728036), (207, 1243852), (276, 932889), (298, 864018), (414, 621926), (447, 576012), (596, 432009), (828, 310963), (894, 288006), (1341, 192004), (1788, 144003), (2087, 123372), (2682, 96002), (3427, 75132), (4174, 61686), (5364, 48001), (6261, 41124), (6854, 37566), (8348, 30843), (10281, 25044), (12522, 20562), (13708, 18783)]