31709480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3793}}^1$

素因数の和:3834

約数の個数: 64

約数和(自身を含む): 81950400

約数和(自身を除く): 50240920

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3793, 4180, 7586, 8360, 15172, 18965, 30344, 37930, 41723, 72067, 75860, 83446, 144134, 151720, 166892, 208615, 288268, 333784, 360335, 417230, 576536, 720670, 792737, 834460, 1441340, 1585474, 1668920, 2882680, 3170948, 3963685, 6341896, 7927370, 15854740, 31709480]

約数ペア:

[(1, 31709480), (2, 15854740), (4, 7927370), (5, 6341896), (8, 3963685), (10, 3170948), (11, 2882680), (19, 1668920), (20, 1585474), (22, 1441340), (38, 834460), (40, 792737), (44, 720670), (55, 576536), (76, 417230), (88, 360335), (95, 333784), (110, 288268), (152, 208615), (190, 166892), (209, 151720), (220, 144134), (380, 83446), (418, 75860), (440, 72067), (760, 41723), (836, 37930), (1045, 30344), (1672, 18965), (2090, 15172), (3793, 8360), (4180, 7586)]