208738420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{1277}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 479219328

約数和(自身を除く): 270480908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 743, 1277, 1486, 2554, 2972, 3715, 5108, 6385, 7430, 8173, 12770, 14047, 14860, 16346, 25540, 28094, 32692, 40865, 56188, 70235, 81730, 140470, 163460, 280940, 948811, 1897622, 3795244, 4744055, 9488110, 10436921, 18976220, 20873842, 41747684, 52184605, 104369210, 208738420]

約数ペア:

[(1, 208738420), (2, 104369210), (4, 52184605), (5, 41747684), (10, 20873842), (11, 18976220), (20, 10436921), (22, 9488110), (44, 4744055), (55, 3795244), (110, 1897622), (220, 948811), (743, 280940), (1277, 163460), (1486, 140470), (2554, 81730), (2972, 70235), (3715, 56188), (5108, 40865), (6385, 32692), (7430, 28094), (8173, 25540), (12770, 16346), (14047, 14860)]