209657280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{4457}}^1$

素因数の和:4491

約数の個数: 168

約数和(自身を含む): 774515088

約数和(自身を除く): 564857808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4457, 4704, 5880, 6720, 7840, 8914, 9408, 11760, 13371, 15680, 17828, 22285, 23520, 26742, 31199, 35656, 44570, 47040, 53484, 62398, 66855, 71312, 89140, 93597, 106968, 124796, 133710, 142624, 155995, 178280, 187194, 213936, 218393, 249592, 267420, 285248, 311990, 356560, 374388, 427872, 436786, 467985, 499184, 534840, 623980, 655179, 713120, 748776, 855744, 873572, 935970, 998368, 1069680, 1091965, 1247960, 1310358, 1426240, 1497552, 1747144, 1871940, 1996736, 2139360, 2183930, 2495920, 2620716, 2995104, 3275895, 3494288, 3743880, 4278720, 4367860, 4991840, 5241432, 5990208, 6551790, 6988576, 7487760, 8735720, 9983680, 10482864, 13103580, 13977152, 14975520, 17471440, 20965728, 26207160, 29951040, 34942880, 41931456, 52414320, 69885760, 104828640, 209657280]

約数ペア:

[(1, 209657280), (2, 104828640), (3, 69885760), (4, 52414320), (5, 41931456), (6, 34942880), (7, 29951040), (8, 26207160), (10, 20965728), (12, 17471440), (14, 14975520), (15, 13977152), (16, 13103580), (20, 10482864), (21, 9983680), (24, 8735720), (28, 7487760), (30, 6988576), (32, 6551790), (35, 5990208), (40, 5241432), (42, 4991840), (48, 4367860), (49, 4278720), (56, 3743880), (60, 3494288), (64, 3275895), (70, 2995104), (80, 2620716), (84, 2495920), (96, 2183930), (98, 2139360), (105, 1996736), (112, 1871940), (120, 1747144), (140, 1497552), (147, 1426240), (160, 1310358), (168, 1247960), (192, 1091965), (196, 1069680), (210, 998368), (224, 935970), (240, 873572), (245, 855744), (280, 748776), (294, 713120), (320, 655179), (336, 623980), (392, 534840), (420, 499184), (448, 467985), (480, 436786), (490, 427872), (560, 374388), (588, 356560), (672, 311990), (735, 285248), (784, 267420), (840, 249592), (960, 218393), (980, 213936), (1120, 187194), (1176, 178280), (1344, 155995), (1470, 142624), (1568, 133710), (1680, 124796), (1960, 106968), (2240, 93597), (2352, 89140), (2940, 71312), (3136, 66855), (3360, 62398), (3920, 53484), (4457, 47040), (4704, 44570), (5880, 35656), (6720, 31199), (7840, 26742), (8914, 23520), (9408, 22285), (11760, 17828), (13371, 15680)]