208896820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2333}}^1$

素因数の和:2401

約数の個数: 72

約数和(自身を含む): 495433512

約数和(自身を除く): 286536692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 370, 407, 484, 605, 740, 814, 1210, 1628, 2035, 2333, 2420, 4070, 4477, 4666, 8140, 8954, 9332, 11665, 17908, 22385, 23330, 25663, 44770, 46660, 51326, 86321, 89540, 102652, 128315, 172642, 256630, 282293, 345284, 431605, 513260, 564586, 863210, 949531, 1129172, 1411465, 1726420, 1899062, 2822930, 3798124, 4747655, 5645860, 9495310, 10444841, 18990620, 20889682, 41779364, 52224205, 104448410, 208896820]

約数ペア:

[(1, 208896820), (2, 104448410), (4, 52224205), (5, 41779364), (10, 20889682), (11, 18990620), (20, 10444841), (22, 9495310), (37, 5645860), (44, 4747655), (55, 3798124), (74, 2822930), (110, 1899062), (121, 1726420), (148, 1411465), (185, 1129172), (220, 949531), (242, 863210), (370, 564586), (407, 513260), (484, 431605), (605, 345284), (740, 282293), (814, 256630), (1210, 172642), (1628, 128315), (2035, 102652), (2333, 89540), (2420, 86321), (4070, 51326), (4477, 46660), (4666, 44770), (8140, 25663), (8954, 23330), (9332, 22385), (11665, 17908)]