71344120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 165732480

約数和(自身を除く): 94388360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 274, 277, 376, 470, 548, 554, 685, 940, 1096, 1108, 1370, 1385, 1880, 2216, 2740, 2770, 5480, 5540, 6439, 11080, 12878, 13019, 25756, 26038, 32195, 37949, 51512, 52076, 64390, 65095, 75898, 104152, 128780, 130190, 151796, 189745, 257560, 260380, 303592, 379490, 520760, 758980, 1517960, 1783603, 3567206, 7134412, 8918015, 14268824, 17836030, 35672060, 71344120]

約数ペア:

[(1, 71344120), (2, 35672060), (4, 17836030), (5, 14268824), (8, 8918015), (10, 7134412), (20, 3567206), (40, 1783603), (47, 1517960), (94, 758980), (137, 520760), (188, 379490), (235, 303592), (274, 260380), (277, 257560), (376, 189745), (470, 151796), (548, 130190), (554, 128780), (685, 104152), (940, 75898), (1096, 65095), (1108, 64390), (1370, 52076), (1385, 51512), (1880, 37949), (2216, 32195), (2740, 26038), (2770, 25756), (5480, 13019), (5540, 12878), (6439, 11080)]