26912380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 62143200

約数和(自身を除く): 35230820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 821, 1490, 1639, 1642, 2980, 3278, 3284, 4105, 6556, 8195, 8210, 9031, 16390, 16420, 18062, 32780, 36124, 45155, 90310, 122329, 180620, 244658, 489316, 611645, 1223290, 1345619, 2446580, 2691238, 5382476, 6728095, 13456190, 26912380]

約数ペア:

[(1, 26912380), (2, 13456190), (4, 6728095), (5, 5382476), (10, 2691238), (11, 2446580), (20, 1345619), (22, 1223290), (44, 611645), (55, 489316), (110, 244658), (149, 180620), (220, 122329), (298, 90310), (596, 45155), (745, 36124), (821, 32780), (1490, 18062), (1639, 16420), (1642, 16390), (2980, 9031), (3278, 8210), (3284, 8195), (4105, 6556)]