213641450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1249}}^1$

素因数の和:1583

約数の個数: 48

約数和(自身を含む): 435240000

約数和(自身を除く): 221598550

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 311, 550, 622, 1249, 1555, 2498, 3110, 3421, 6245, 6842, 7775, 12490, 13739, 15550, 17105, 27478, 31225, 34210, 62450, 68695, 85525, 137390, 171050, 343475, 388439, 686950, 776878, 1942195, 3884390, 4272829, 8545658, 9710975, 19421950, 21364145, 42728290, 106820725, 213641450]

約数ペア:

[(1, 213641450), (2, 106820725), (5, 42728290), (10, 21364145), (11, 19421950), (22, 9710975), (25, 8545658), (50, 4272829), (55, 3884390), (110, 1942195), (275, 776878), (311, 686950), (550, 388439), (622, 343475), (1249, 171050), (1555, 137390), (2498, 85525), (3110, 68695), (3421, 62450), (6245, 34210), (6842, 31225), (7775, 27478), (12490, 17105), (13739, 15550)]