249412240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2181

約数の個数: 160

約数和(自身を含む): 761379840

約数和(自身を除く): 511967600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 190, 209, 220, 266, 280, 304, 308, 380, 385, 418, 440, 532, 560, 616, 665, 760, 770, 836, 880, 1045, 1064, 1232, 1330, 1463, 1520, 1540, 1672, 2090, 2128, 2131, 2660, 2926, 3080, 3344, 4180, 4262, 5320, 5852, 6160, 7315, 8360, 8524, 10640, 10655, 11704, 14630, 14917, 16720, 17048, 21310, 23408, 23441, 29260, 29834, 34096, 40489, 42620, 46882, 58520, 59668, 74585, 80978, 85240, 93764, 117040, 117205, 119336, 149170, 161956, 164087, 170480, 187528, 202445, 234410, 238672, 283423, 298340, 323912, 328174, 375056, 404890, 445379, 468820, 566846, 596680, 647824, 656348, 809780, 820435, 890758, 937640, 1133692, 1193360, 1312696, 1417115, 1619560, 1640870, 1781516, 1875280, 2226895, 2267384, 2625392, 2834230, 3117653, 3239120, 3281740, 3563032, 4453790, 4534768, 5668460, 6235306, 6563480, 7126064, 8907580, 11336920, 12470612, 13126960, 15588265, 17815160, 22673840, 24941224, 31176530, 35630320, 49882448, 62353060, 124706120, 249412240]

約数ペア:

[(1, 249412240), (2, 124706120), (4, 62353060), (5, 49882448), (7, 35630320), (8, 31176530), (10, 24941224), (11, 22673840), (14, 17815160), (16, 15588265), (19, 13126960), (20, 12470612), (22, 11336920), (28, 8907580), (35, 7126064), (38, 6563480), (40, 6235306), (44, 5668460), (55, 4534768), (56, 4453790), (70, 3563032), (76, 3281740), (77, 3239120), (80, 3117653), (88, 2834230), (95, 2625392), (110, 2267384), (112, 2226895), (133, 1875280), (140, 1781516), (152, 1640870), (154, 1619560), (176, 1417115), (190, 1312696), (209, 1193360), (220, 1133692), (266, 937640), (280, 890758), (304, 820435), (308, 809780), (380, 656348), (385, 647824), (418, 596680), (440, 566846), (532, 468820), (560, 445379), (616, 404890), (665, 375056), (760, 328174), (770, 323912), (836, 298340), (880, 283423), (1045, 238672), (1064, 234410), (1232, 202445), (1330, 187528), (1463, 170480), (1520, 164087), (1540, 161956), (1672, 149170), (2090, 119336), (2128, 117205), (2131, 117040), (2660, 93764), (2926, 85240), (3080, 80978), (3344, 74585), (4180, 59668), (4262, 58520), (5320, 46882), (5852, 42620), (6160, 40489), (7315, 34096), (8360, 29834), (8524, 29260), (10640, 23441), (10655, 23408), (11704, 21310), (14630, 17048), (14917, 16720)]