257615270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{2437}}^1$

素因数の和:2517

約数の個数: 48

約数和(自身を含む): 522921744

約数和(自身を除く): 265306474

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 961, 1705, 1922, 2437, 3410, 4805, 4874, 9610, 10571, 12185, 21142, 24370, 26807, 52855, 53614, 75547, 105710, 134035, 151094, 268070, 377735, 755470, 831017, 1662034, 2341957, 4155085, 4683914, 8310170, 11709785, 23419570, 25761527, 51523054, 128807635, 257615270]

約数ペア:

[(1, 257615270), (2, 128807635), (5, 51523054), (10, 25761527), (11, 23419570), (22, 11709785), (31, 8310170), (55, 4683914), (62, 4155085), (110, 2341957), (155, 1662034), (310, 831017), (341, 755470), (682, 377735), (961, 268070), (1705, 151094), (1922, 134035), (2437, 105710), (3410, 75547), (4805, 53614), (4874, 52855), (9610, 26807), (10571, 24370), (12185, 21142)]