84704840

素因数分解:

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

素因数の和:124

約数の個数: 128

約数和(自身を含む): 220302720

約数和(自身を除く): 135597880

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, 1331, 1480, 1591, 1628, 1720, 1892, 2035, 2365, 2420, 2662, 3182, 3256, 3784, 4070, 4477, 4730, 4840, 5203, 5324, 6364, 6655, 7955, 8140, 8954, 9460, 10406, 10648, 12728, 13310, 15910, 16280, 17501, 17908, 18920, 20812, 22385, 26015, 26620, 31820, 35002, 35816, 41624, 44770, 49247, 52030, 53240, 57233, 63640, 70004, 87505, 89540, 98494, 104060, 114466, 140008, 175010, 179080, 192511, 196988, 208120, 228932, 246235, 286165, 350020, 385022, 393976, 457864, 492470, 572330, 700040, 770044, 962555, 984940, 1144660, 1540088, 1925110, 1969880, 2117621, 2289320, 3850220, 4235242, 7700440, 8470484, 10588105, 16940968, 21176210, 42352420, 84704840]

約数ペア:

[(1, 84704840), (2, 42352420), (4, 21176210), (5, 16940968), (8, 10588105), (10, 8470484), (11, 7700440), (20, 4235242), (22, 3850220), (37, 2289320), (40, 2117621), (43, 1969880), (44, 1925110), (55, 1540088), (74, 1144660), (86, 984940), (88, 962555), (110, 770044), (121, 700040), (148, 572330), (172, 492470), (185, 457864), (215, 393976), (220, 385022), (242, 350020), (296, 286165), (344, 246235), (370, 228932), (407, 208120), (430, 196988), (440, 192511), (473, 179080), (484, 175010), (605, 140008), (740, 114466), (814, 104060), (860, 98494), (946, 89540), (968, 87505), (1210, 70004), (1331, 63640), (1480, 57233), (1591, 53240), (1628, 52030), (1720, 49247), (1892, 44770), (2035, 41624), (2365, 35816), (2420, 35002), (2662, 31820), (3182, 26620), (3256, 26015), (3784, 22385), (4070, 20812), (4477, 18920), (4730, 17908), (4840, 17501), (5203, 16280), (5324, 15910), (6364, 13310), (6655, 12728), (7955, 10648), (8140, 10406), (8954, 9460)]