72287780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1051}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 160829760

約数和(自身を除く): 88541980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1051, 1810, 2102, 3439, 3620, 4204, 5255, 6878, 10510, 13756, 17195, 19969, 21020, 34390, 39938, 68780, 79876, 99845, 190231, 199690, 380462, 399380, 760924, 951155, 1902310, 3614389, 3804620, 7228778, 14457556, 18071945, 36143890, 72287780]

約数ペア:

[(1, 72287780), (2, 36143890), (4, 18071945), (5, 14457556), (10, 7228778), (19, 3804620), (20, 3614389), (38, 1902310), (76, 951155), (95, 760924), (181, 399380), (190, 380462), (362, 199690), (380, 190231), (724, 99845), (905, 79876), (1051, 68780), (1810, 39938), (2102, 34390), (3439, 21020), (3620, 19969), (4204, 17195), (5255, 13756), (6878, 10510)]