348707840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 176

約数和(自身を含む): 935397120

約数和(自身を除く): 586689280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 169, 208, 248, 256, 260, 310, 320, 338, 403, 416, 496, 512, 520, 620, 640, 676, 806, 832, 845, 992, 1024, 1040, 1240, 1280, 1352, 1612, 1664, 1690, 1984, 2015, 2080, 2197, 2480, 2560, 2704, 3224, 3328, 3380, 3968, 4030, 4160, 4394, 4960, 5120, 5239, 5408, 6448, 6656, 6760, 7936, 8060, 8320, 8788, 9920, 10478, 10816, 10985, 12896, 13312, 13520, 15872, 16120, 16640, 17576, 19840, 20956, 21632, 21970, 25792, 26195, 27040, 31744, 32240, 33280, 35152, 39680, 41912, 43264, 43940, 51584, 52390, 54080, 64480, 66560, 68107, 70304, 79360, 83824, 86528, 87880, 103168, 104780, 108160, 128960, 136214, 140608, 158720, 167648, 173056, 175760, 206336, 209560, 216320, 257920, 272428, 281216, 335296, 340535, 351520, 412672, 419120, 432640, 515840, 544856, 562432, 670592, 681070, 703040, 838240, 865280, 1031680, 1089712, 1124864, 1341184, 1362140, 1406080, 1676480, 2063360, 2179424, 2249728, 2682368, 2724280, 2812160, 3352960, 4358848, 5364736, 5448560, 5624320, 6705920, 8717696, 10897120, 11248640, 13411840, 17435392, 21794240, 26823680, 34870784, 43588480, 69741568, 87176960, 174353920, 348707840]

約数ペア:

[(1, 348707840), (2, 174353920), (4, 87176960), (5, 69741568), (8, 43588480), (10, 34870784), (13, 26823680), (16, 21794240), (20, 17435392), (26, 13411840), (31, 11248640), (32, 10897120), (40, 8717696), (52, 6705920), (62, 5624320), (64, 5448560), (65, 5364736), (80, 4358848), (104, 3352960), (124, 2812160), (128, 2724280), (130, 2682368), (155, 2249728), (160, 2179424), (169, 2063360), (208, 1676480), (248, 1406080), (256, 1362140), (260, 1341184), (310, 1124864), (320, 1089712), (338, 1031680), (403, 865280), (416, 838240), (496, 703040), (512, 681070), (520, 670592), (620, 562432), (640, 544856), (676, 515840), (806, 432640), (832, 419120), (845, 412672), (992, 351520), (1024, 340535), (1040, 335296), (1240, 281216), (1280, 272428), (1352, 257920), (1612, 216320), (1664, 209560), (1690, 206336), (1984, 175760), (2015, 173056), (2080, 167648), (2197, 158720), (2480, 140608), (2560, 136214), (2704, 128960), (3224, 108160), (3328, 104780), (3380, 103168), (3968, 87880), (4030, 86528), (4160, 83824), (4394, 79360), (4960, 70304), (5120, 68107), (5239, 66560), (5408, 64480), (6448, 54080), (6656, 52390), (6760, 51584), (7936, 43940), (8060, 43264), (8320, 41912), (8788, 39680), (9920, 35152), (10478, 33280), (10816, 32240), (10985, 31744), (12896, 27040), (13312, 26195), (13520, 25792), (15872, 21970), (16120, 21632), (16640, 20956), (17576, 19840)]