388904880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17807}}^1$

素因数の和:17843

約数の個数: 160

約数和(自身を含む): 1483905024

約数和(自身を除く): 1095000144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 17807, 21840, 35614, 53421, 71228, 89035, 106842, 124649, 142456, 178070, 213684, 231491, 249298, 267105, 284912, 356140, 373947, 427368, 462982, 498596, 534210, 623245, 694473, 712280, 747894, 854736, 925964, 997192, 1068420, 1157455, 1246490, 1388946, 1424560, 1495788, 1620437, 1851928, 1869735, 1994384, 2136840, 2314910, 2492980, 2777892, 2991576, 3240874, 3472365, 3703856, 3739470, 4273680, 4629820, 4861311, 4985960, 5555784, 5983152, 6481748, 6944730, 7478940, 8102185, 9259640, 9722622, 9971920, 11111568, 12963496, 13889460, 14957880, 16204370, 18519280, 19445244, 24306555, 25926992, 27778920, 29915760, 32408740, 38890488, 48613110, 55557840, 64817480, 77780976, 97226220, 129634960, 194452440, 388904880]

約数ペア:

[(1, 388904880), (2, 194452440), (3, 129634960), (4, 97226220), (5, 77780976), (6, 64817480), (7, 55557840), (8, 48613110), (10, 38890488), (12, 32408740), (13, 29915760), (14, 27778920), (15, 25926992), (16, 24306555), (20, 19445244), (21, 18519280), (24, 16204370), (26, 14957880), (28, 13889460), (30, 12963496), (35, 11111568), (39, 9971920), (40, 9722622), (42, 9259640), (48, 8102185), (52, 7478940), (56, 6944730), (60, 6481748), (65, 5983152), (70, 5555784), (78, 4985960), (80, 4861311), (84, 4629820), (91, 4273680), (104, 3739470), (105, 3703856), (112, 3472365), (120, 3240874), (130, 2991576), (140, 2777892), (156, 2492980), (168, 2314910), (182, 2136840), (195, 1994384), (208, 1869735), (210, 1851928), (240, 1620437), (260, 1495788), (273, 1424560), (280, 1388946), (312, 1246490), (336, 1157455), (364, 1068420), (390, 997192), (420, 925964), (455, 854736), (520, 747894), (546, 712280), (560, 694473), (624, 623245), (728, 534210), (780, 498596), (840, 462982), (910, 427368), (1040, 373947), (1092, 356140), (1365, 284912), (1456, 267105), (1560, 249298), (1680, 231491), (1820, 213684), (2184, 178070), (2730, 142456), (3120, 124649), (3640, 106842), (4368, 89035), (5460, 71228), (7280, 53421), (10920, 35614), (17807, 21840)]