7138780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 16815456

約数和(自身を除く): 9676676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 877, 1628, 1754, 2035, 3508, 4070, 4385, 8140, 8770, 9647, 17540, 19294, 32449, 38588, 48235, 64898, 96470, 129796, 162245, 192940, 324490, 356939, 648980, 713878, 1427756, 1784695, 3569390, 7138780]

約数ペア:

[(1, 7138780), (2, 3569390), (4, 1784695), (5, 1427756), (10, 713878), (11, 648980), (20, 356939), (22, 324490), (37, 192940), (44, 162245), (55, 129796), (74, 96470), (110, 64898), (148, 48235), (185, 38588), (220, 32449), (370, 19294), (407, 17540), (740, 9647), (814, 8770), (877, 8140), (1628, 4385), (1754, 4070), (2035, 3508)]