290465450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{18211}}^1$

素因数の和:18263

約数の個数: 48

約数和(自身を含む): 609737760

約数和(自身を除く): 319272310

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1450, 1595, 3190, 7975, 15950, 18211, 36422, 91055, 182110, 200321, 400642, 455275, 528119, 910550, 1001605, 1056238, 2003210, 2640595, 5008025, 5281190, 5809309, 10016050, 11618618, 13202975, 26405950, 29046545, 58093090, 145232725, 290465450]

約数ペア:

[(1, 290465450), (2, 145232725), (5, 58093090), (10, 29046545), (11, 26405950), (22, 13202975), (25, 11618618), (29, 10016050), (50, 5809309), (55, 5281190), (58, 5008025), (110, 2640595), (145, 2003210), (275, 1056238), (290, 1001605), (319, 910550), (550, 528119), (638, 455275), (725, 400642), (1450, 200321), (1595, 182110), (3190, 91055), (7975, 36422), (15950, 18211)]