862840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 2216160

約数和(自身を除く): 1353320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 53, 55, 74, 88, 106, 110, 148, 185, 212, 220, 265, 296, 370, 407, 424, 440, 530, 583, 740, 814, 1060, 1166, 1480, 1628, 1961, 2035, 2120, 2332, 2915, 3256, 3922, 4070, 4664, 5830, 7844, 8140, 9805, 11660, 15688, 16280, 19610, 21571, 23320, 39220, 43142, 78440, 86284, 107855, 172568, 215710, 431420, 862840]

約数ペア:

[(1, 862840), (2, 431420), (4, 215710), (5, 172568), (8, 107855), (10, 86284), (11, 78440), (20, 43142), (22, 39220), (37, 23320), (40, 21571), (44, 19610), (53, 16280), (55, 15688), (74, 11660), (88, 9805), (106, 8140), (110, 7844), (148, 5830), (185, 4664), (212, 4070), (220, 3922), (265, 3256), (296, 2915), (370, 2332), (407, 2120), (424, 2035), (440, 1961), (530, 1628), (583, 1480), (740, 1166), (814, 1060)]