68900104

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 170311680

約数和(自身を除く): 101411576

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 43, 52, 56, 62, 71, 86, 91, 104, 124, 142, 172, 182, 217, 248, 284, 301, 344, 364, 403, 434, 497, 559, 568, 602, 728, 806, 868, 923, 994, 1118, 1204, 1333, 1612, 1736, 1846, 1988, 2201, 2236, 2408, 2666, 2821, 3053, 3224, 3692, 3913, 3976, 4402, 4472, 5332, 5642, 6106, 6461, 7384, 7826, 8804, 9331, 10664, 11284, 12212, 12922, 15407, 15652, 17329, 17608, 18662, 21371, 22568, 24424, 25844, 28613, 30814, 31304, 34658, 37324, 39689, 42742, 51688, 57226, 61628, 69316, 74648, 79378, 85484, 94643, 114452, 121303, 123256, 138632, 158756, 170968, 189286, 200291, 228904, 242606, 277823, 317512, 378572, 400582, 485212, 555646, 662501, 757144, 801164, 970424, 1111292, 1230359, 1325002, 1602328, 2222584, 2460718, 2650004, 4921436, 5300008, 8612513, 9842872, 17225026, 34450052, 68900104]

約数ペア:

[(1, 68900104), (2, 34450052), (4, 17225026), (7, 9842872), (8, 8612513), (13, 5300008), (14, 4921436), (26, 2650004), (28, 2460718), (31, 2222584), (43, 1602328), (52, 1325002), (56, 1230359), (62, 1111292), (71, 970424), (86, 801164), (91, 757144), (104, 662501), (124, 555646), (142, 485212), (172, 400582), (182, 378572), (217, 317512), (248, 277823), (284, 242606), (301, 228904), (344, 200291), (364, 189286), (403, 170968), (434, 158756), (497, 138632), (559, 123256), (568, 121303), (602, 114452), (728, 94643), (806, 85484), (868, 79378), (923, 74648), (994, 69316), (1118, 61628), (1204, 57226), (1333, 51688), (1612, 42742), (1736, 39689), (1846, 37324), (1988, 34658), (2201, 31304), (2236, 30814), (2408, 28613), (2666, 25844), (2821, 24424), (3053, 22568), (3224, 21371), (3692, 18662), (3913, 17608), (3976, 17329), (4402, 15652), (4472, 15407), (5332, 12922), (5642, 12212), (6106, 11284), (6461, 10664), (7384, 9331), (7826, 8804)]