84173990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{461}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 165155760

約数和(自身を除く): 80981770

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 461, 589, 922, 961, 1178, 1922, 2305, 2945, 4610, 4805, 5890, 8759, 9610, 14291, 17518, 18259, 28582, 36518, 43795, 71455, 87590, 91295, 142910, 182590, 271529, 443021, 543058, 886042, 1357645, 2215105, 2715290, 4430210, 8417399, 16834798, 42086995, 84173990]

約数ペア:

[(1, 84173990), (2, 42086995), (5, 16834798), (10, 8417399), (19, 4430210), (31, 2715290), (38, 2215105), (62, 1357645), (95, 886042), (155, 543058), (190, 443021), (310, 271529), (461, 182590), (589, 142910), (922, 91295), (961, 87590), (1178, 71455), (1922, 43795), (2305, 36518), (2945, 28582), (4610, 18259), (4805, 17518), (5890, 14291), (8759, 9610)]