298954240

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:740

約数の個数: 120

約数和(自身を含む): 777291768

約数和(自身を除く): 478337528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 512, 520, 640, 676, 691, 832, 845, 1040, 1280, 1352, 1382, 1664, 1690, 2080, 2560, 2704, 2764, 3328, 3380, 3455, 4160, 5408, 5528, 6656, 6760, 6910, 8320, 8983, 10816, 11056, 13520, 13820, 16640, 17966, 21632, 22112, 27040, 27640, 33280, 35932, 43264, 44224, 44915, 54080, 55280, 71864, 86528, 88448, 89830, 108160, 110560, 116779, 143728, 176896, 179660, 216320, 221120, 233558, 287456, 353792, 359320, 432640, 442240, 467116, 574912, 583895, 718640, 884480, 934232, 1149824, 1167790, 1437280, 1768960, 1868464, 2299648, 2335580, 2874560, 3736928, 4599296, 4671160, 5749120, 7473856, 9342320, 11498240, 14947712, 18684640, 22996480, 29895424, 37369280, 59790848, 74738560, 149477120, 298954240]

約数ペア:

[(1, 298954240), (2, 149477120), (4, 74738560), (5, 59790848), (8, 37369280), (10, 29895424), (13, 22996480), (16, 18684640), (20, 14947712), (26, 11498240), (32, 9342320), (40, 7473856), (52, 5749120), (64, 4671160), (65, 4599296), (80, 3736928), (104, 2874560), (128, 2335580), (130, 2299648), (160, 1868464), (169, 1768960), (208, 1437280), (256, 1167790), (260, 1149824), (320, 934232), (338, 884480), (416, 718640), (512, 583895), (520, 574912), (640, 467116), (676, 442240), (691, 432640), (832, 359320), (845, 353792), (1040, 287456), (1280, 233558), (1352, 221120), (1382, 216320), (1664, 179660), (1690, 176896), (2080, 143728), (2560, 116779), (2704, 110560), (2764, 108160), (3328, 89830), (3380, 88448), (3455, 86528), (4160, 71864), (5408, 55280), (5528, 54080), (6656, 44915), (6760, 44224), (6910, 43264), (8320, 35932), (8983, 33280), (10816, 27640), (11056, 27040), (13520, 22112), (13820, 21632), (16640, 17966)]