213089470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2887}}^1$

素因数の和:2977

約数の個数: 48

約数和(自身を含む): 428660064

約数和(自身を除く): 215570594

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 121, 122, 242, 305, 605, 610, 671, 1210, 1342, 2887, 3355, 5774, 6710, 7381, 14435, 14762, 28870, 31757, 36905, 63514, 73810, 158785, 176107, 317570, 349327, 352214, 698654, 880535, 1746635, 1761070, 1937177, 3493270, 3874354, 9685885, 19371770, 21308947, 42617894, 106544735, 213089470]

約数ペア:

[(1, 213089470), (2, 106544735), (5, 42617894), (10, 21308947), (11, 19371770), (22, 9685885), (55, 3874354), (61, 3493270), (110, 1937177), (121, 1761070), (122, 1746635), (242, 880535), (305, 698654), (605, 352214), (610, 349327), (671, 317570), (1210, 176107), (1342, 158785), (2887, 73810), (3355, 63514), (5774, 36905), (6710, 31757), (7381, 28870), (14435, 14762)]