31588070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 62201520

約数和(自身を除く): 30613450

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 173, 190, 310, 346, 589, 865, 961, 1178, 1730, 1922, 2945, 3287, 4805, 5363, 5890, 6574, 9610, 10726, 16435, 18259, 26815, 32870, 36518, 53630, 91295, 101897, 166253, 182590, 203794, 332506, 509485, 831265, 1018970, 1662530, 3158807, 6317614, 15794035, 31588070]

約数ペア:

[(1, 31588070), (2, 15794035), (5, 6317614), (10, 3158807), (19, 1662530), (31, 1018970), (38, 831265), (62, 509485), (95, 332506), (155, 203794), (173, 182590), (190, 166253), (310, 101897), (346, 91295), (589, 53630), (865, 36518), (961, 32870), (1178, 26815), (1730, 18259), (1922, 16435), (2945, 10726), (3287, 9610), (4805, 6574), (5363, 5890)]