138383840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:977

約数の個数: 144

約数和(自身を含む): 400755600

約数和(自身を除く): 262371760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 929, 931, 980, 1064, 1120, 1330, 1520, 1568, 1858, 1862, 1960, 2128, 2660, 3040, 3716, 3724, 3920, 4256, 4645, 4655, 5320, 6503, 7432, 7448, 7840, 9290, 9310, 10640, 13006, 14864, 14896, 17651, 18580, 18620, 21280, 26012, 29728, 29792, 32515, 35302, 37160, 37240, 45521, 52024, 65030, 70604, 74320, 74480, 88255, 91042, 104048, 123557, 130060, 141208, 148640, 148960, 176510, 182084, 208096, 227605, 247114, 260120, 282416, 353020, 364168, 455210, 494228, 520240, 564832, 617785, 706040, 728336, 864899, 910420, 988456, 1040480, 1235570, 1412080, 1456672, 1729798, 1820840, 1976912, 2471140, 2824160, 3459596, 3641680, 3953824, 4324495, 4942280, 6919192, 7283360, 8648990, 9884560, 13838384, 17297980, 19769120, 27676768, 34595960, 69191920, 138383840]

約数ペア:

[(1, 138383840), (2, 69191920), (4, 34595960), (5, 27676768), (7, 19769120), (8, 17297980), (10, 13838384), (14, 9884560), (16, 8648990), (19, 7283360), (20, 6919192), (28, 4942280), (32, 4324495), (35, 3953824), (38, 3641680), (40, 3459596), (49, 2824160), (56, 2471140), (70, 1976912), (76, 1820840), (80, 1729798), (95, 1456672), (98, 1412080), (112, 1235570), (133, 1040480), (140, 988456), (152, 910420), (160, 864899), (190, 728336), (196, 706040), (224, 617785), (245, 564832), (266, 520240), (280, 494228), (304, 455210), (380, 364168), (392, 353020), (490, 282416), (532, 260120), (560, 247114), (608, 227605), (665, 208096), (760, 182084), (784, 176510), (929, 148960), (931, 148640), (980, 141208), (1064, 130060), (1120, 123557), (1330, 104048), (1520, 91042), (1568, 88255), (1858, 74480), (1862, 74320), (1960, 70604), (2128, 65030), (2660, 52024), (3040, 45521), (3716, 37240), (3724, 37160), (3920, 35302), (4256, 32515), (4645, 29792), (4655, 29728), (5320, 26012), (6503, 21280), (7432, 18620), (7448, 18580), (7840, 17651), (9290, 14896), (9310, 14864), (10640, 13006)]