7700440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 20013840

約数和(自身を除く): 12313400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 43, 44, 55, 74, 86, 88, 110, 121, 148, 172, 185, 215, 220, 242, 296, 344, 370, 407, 430, 440, 473, 484, 605, 740, 814, 860, 946, 968, 1210, 1480, 1591, 1628, 1720, 1892, 2035, 2365, 2420, 3182, 3256, 3784, 4070, 4477, 4730, 4840, 5203, 6364, 7955, 8140, 8954, 9460, 10406, 12728, 15910, 16280, 17501, 17908, 18920, 20812, 22385, 26015, 31820, 35002, 35816, 41624, 44770, 52030, 63640, 70004, 87505, 89540, 104060, 140008, 175010, 179080, 192511, 208120, 350020, 385022, 700040, 770044, 962555, 1540088, 1925110, 3850220, 7700440]

約数ペア:

[(1, 7700440), (2, 3850220), (4, 1925110), (5, 1540088), (8, 962555), (10, 770044), (11, 700040), (20, 385022), (22, 350020), (37, 208120), (40, 192511), (43, 179080), (44, 175010), (55, 140008), (74, 104060), (86, 89540), (88, 87505), (110, 70004), (121, 63640), (148, 52030), (172, 44770), (185, 41624), (215, 35816), (220, 35002), (242, 31820), (296, 26015), (344, 22385), (370, 20812), (407, 18920), (430, 17908), (440, 17501), (473, 16280), (484, 15910), (605, 12728), (740, 10406), (814, 9460), (860, 8954), (946, 8140), (968, 7955), (1210, 6364), (1480, 5203), (1591, 4840), (1628, 4730), (1720, 4477), (1892, 4070), (2035, 3784), (2365, 3256), (2420, 3182)]