7981270

素因数分解:

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

素因数の和:145

約数の個数: 48

約数和(自身を含む): 16411248

約数和(自身を除く): 8429978

約数列:

[1, 2, 5, 10, 11, 22, 37, 53, 55, 74, 106, 110, 185, 265, 370, 407, 530, 583, 814, 1166, 1369, 1961, 2035, 2738, 2915, 3922, 4070, 5830, 6845, 9805, 13690, 15059, 19610, 21571, 30118, 43142, 72557, 75295, 107855, 145114, 150590, 215710, 362785, 725570, 798127, 1596254, 3990635, 7981270]

約数ペア:

[(1, 7981270), (2, 3990635), (5, 1596254), (10, 798127), (11, 725570), (22, 362785), (37, 215710), (53, 150590), (55, 145114), (74, 107855), (106, 75295), (110, 72557), (185, 43142), (265, 30118), (370, 21571), (407, 19610), (530, 15059), (583, 13690), (814, 9805), (1166, 6845), (1369, 5830), (1961, 4070), (2035, 3922), (2738, 2915)]