3455140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 7952112

約数和(自身を除く): 4496972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 137, 194, 260, 274, 388, 485, 548, 685, 970, 1261, 1370, 1781, 1940, 2522, 2740, 3562, 5044, 6305, 7124, 8905, 12610, 13289, 17810, 25220, 26578, 35620, 53156, 66445, 132890, 172757, 265780, 345514, 691028, 863785, 1727570, 3455140]

約数ペア:

[(1, 3455140), (2, 1727570), (4, 863785), (5, 691028), (10, 345514), (13, 265780), (20, 172757), (26, 132890), (52, 66445), (65, 53156), (97, 35620), (130, 26578), (137, 25220), (194, 17810), (260, 13289), (274, 12610), (388, 8905), (485, 7124), (548, 6305), (685, 5044), (970, 3562), (1261, 2740), (1370, 2522), (1781, 1940)]