47838580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 110103840

約数和(自身を除く): 62265260

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 131, 155, 190, 262, 310, 380, 524, 589, 620, 655, 961, 1178, 1310, 1922, 2356, 2489, 2620, 2945, 3844, 4061, 4805, 4978, 5890, 8122, 9610, 9956, 11780, 12445, 16244, 18259, 19220, 20305, 24890, 36518, 40610, 49780, 73036, 77159, 81220, 91295, 125891, 154318, 182590, 251782, 308636, 365180, 385795, 503564, 629455, 771590, 1258910, 1543180, 2391929, 2517820, 4783858, 9567716, 11959645, 23919290, 47838580]

約数ペア:

[(1, 47838580), (2, 23919290), (4, 11959645), (5, 9567716), (10, 4783858), (19, 2517820), (20, 2391929), (31, 1543180), (38, 1258910), (62, 771590), (76, 629455), (95, 503564), (124, 385795), (131, 365180), (155, 308636), (190, 251782), (262, 182590), (310, 154318), (380, 125891), (524, 91295), (589, 81220), (620, 77159), (655, 73036), (961, 49780), (1178, 40610), (1310, 36518), (1922, 24890), (2356, 20305), (2489, 19220), (2620, 18259), (2945, 16244), (3844, 12445), (4061, 11780), (4805, 9956), (4978, 9610), (5890, 8122)]