289753040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 725667840

約数和(自身を除く): 435914800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 127, 152, 158, 190, 254, 304, 316, 361, 380, 395, 508, 632, 635, 722, 760, 790, 1016, 1264, 1270, 1444, 1501, 1520, 1580, 1805, 2032, 2413, 2540, 2888, 3002, 3160, 3610, 4826, 5080, 5776, 6004, 6320, 7220, 7505, 9652, 10033, 10160, 12008, 12065, 14440, 15010, 19304, 20066, 24016, 24130, 28519, 28880, 30020, 38608, 40132, 45847, 48260, 50165, 57038, 60040, 80264, 91694, 96520, 100330, 114076, 120080, 142595, 160528, 183388, 190627, 193040, 200660, 228152, 229235, 285190, 366776, 381254, 401320, 456304, 458470, 570380, 733552, 762508, 802640, 916940, 953135, 1140760, 1525016, 1833880, 1906270, 2281520, 3050032, 3621913, 3667760, 3812540, 7243826, 7625080, 14487652, 15250160, 18109565, 28975304, 36219130, 57950608, 72438260, 144876520, 289753040]

約数ペア:

[(1, 289753040), (2, 144876520), (4, 72438260), (5, 57950608), (8, 36219130), (10, 28975304), (16, 18109565), (19, 15250160), (20, 14487652), (38, 7625080), (40, 7243826), (76, 3812540), (79, 3667760), (80, 3621913), (95, 3050032), (127, 2281520), (152, 1906270), (158, 1833880), (190, 1525016), (254, 1140760), (304, 953135), (316, 916940), (361, 802640), (380, 762508), (395, 733552), (508, 570380), (632, 458470), (635, 456304), (722, 401320), (760, 381254), (790, 366776), (1016, 285190), (1264, 229235), (1270, 228152), (1444, 200660), (1501, 193040), (1520, 190627), (1580, 183388), (1805, 160528), (2032, 142595), (2413, 120080), (2540, 114076), (2888, 100330), (3002, 96520), (3160, 91694), (3610, 80264), (4826, 60040), (5080, 57038), (5776, 50165), (6004, 48260), (6320, 45847), (7220, 40132), (7505, 38608), (9652, 30020), (10033, 28880), (10160, 28519), (12008, 24130), (12065, 24016), (14440, 20066), (15010, 19304)]