28898240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 168

約数和(自身を含む): 85130640

約数和(自身を除く): 56232400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 97, 98, 112, 133, 140, 152, 160, 190, 194, 196, 224, 245, 266, 280, 304, 320, 380, 388, 392, 448, 485, 490, 532, 560, 608, 665, 679, 760, 776, 784, 931, 970, 980, 1064, 1120, 1216, 1330, 1358, 1520, 1552, 1568, 1843, 1862, 1940, 1960, 2128, 2240, 2660, 2716, 3040, 3104, 3136, 3395, 3686, 3724, 3880, 3920, 4256, 4655, 4753, 5320, 5432, 6080, 6208, 6790, 7372, 7448, 7760, 7840, 8512, 9215, 9310, 9506, 10640, 10864, 12901, 13580, 14744, 14896, 15520, 15680, 18430, 18620, 19012, 21280, 21728, 23765, 25802, 27160, 29488, 29792, 31040, 36860, 37240, 38024, 42560, 43456, 47530, 51604, 54320, 58976, 59584, 64505, 73720, 74480, 76048, 90307, 95060, 103208, 108640, 117952, 129010, 147440, 148960, 152096, 180614, 190120, 206416, 217280, 258020, 294880, 297920, 304192, 361228, 380240, 412832, 451535, 516040, 589760, 722456, 760480, 825664, 903070, 1032080, 1444912, 1520960, 1806140, 2064160, 2889824, 3612280, 4128320, 5779648, 7224560, 14449120, 28898240]

約数ペア:

[(1, 28898240), (2, 14449120), (4, 7224560), (5, 5779648), (7, 4128320), (8, 3612280), (10, 2889824), (14, 2064160), (16, 1806140), (19, 1520960), (20, 1444912), (28, 1032080), (32, 903070), (35, 825664), (38, 760480), (40, 722456), (49, 589760), (56, 516040), (64, 451535), (70, 412832), (76, 380240), (80, 361228), (95, 304192), (97, 297920), (98, 294880), (112, 258020), (133, 217280), (140, 206416), (152, 190120), (160, 180614), (190, 152096), (194, 148960), (196, 147440), (224, 129010), (245, 117952), (266, 108640), (280, 103208), (304, 95060), (320, 90307), (380, 76048), (388, 74480), (392, 73720), (448, 64505), (485, 59584), (490, 58976), (532, 54320), (560, 51604), (608, 47530), (665, 43456), (679, 42560), (760, 38024), (776, 37240), (784, 36860), (931, 31040), (970, 29792), (980, 29488), (1064, 27160), (1120, 25802), (1216, 23765), (1330, 21728), (1358, 21280), (1520, 19012), (1552, 18620), (1568, 18430), (1843, 15680), (1862, 15520), (1940, 14896), (1960, 14744), (2128, 13580), (2240, 12901), (2660, 10864), (2716, 10640), (3040, 9506), (3104, 9310), (3136, 9215), (3395, 8512), (3686, 7840), (3724, 7760), (3880, 7448), (3920, 7372), (4256, 6790), (4655, 6208), (4753, 6080), (5320, 5432)]