2509540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 6233976

約数和(自身を除く): 3724436

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 61, 68, 85, 110, 121, 122, 170, 187, 220, 242, 244, 305, 340, 374, 484, 605, 610, 671, 748, 935, 1037, 1210, 1220, 1342, 1870, 2057, 2074, 2420, 2684, 3355, 3740, 4114, 4148, 5185, 6710, 7381, 8228, 10285, 10370, 11407, 13420, 14762, 20570, 20740, 22814, 29524, 36905, 41140, 45628, 57035, 73810, 114070, 125477, 147620, 228140, 250954, 501908, 627385, 1254770, 2509540]

約数ペア:

[(1, 2509540), (2, 1254770), (4, 627385), (5, 501908), (10, 250954), (11, 228140), (17, 147620), (20, 125477), (22, 114070), (34, 73810), (44, 57035), (55, 45628), (61, 41140), (68, 36905), (85, 29524), (110, 22814), (121, 20740), (122, 20570), (170, 14762), (187, 13420), (220, 11407), (242, 10370), (244, 10285), (305, 8228), (340, 7381), (374, 6710), (484, 5185), (605, 4148), (610, 4114), (671, 3740), (748, 3355), (935, 2684), (1037, 2420), (1210, 2074), (1220, 2057), (1342, 1870)]