280136956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^3$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 561576960

約数和(自身を除く): 281440004

約数列:

[1, 2, 4, 11, 22, 31, 44, 59, 62, 118, 124, 236, 341, 649, 682, 1298, 1364, 1829, 2596, 3481, 3658, 6962, 7316, 13924, 20119, 38291, 40238, 76582, 80476, 107911, 153164, 205379, 215822, 410758, 431644, 821516, 1187021, 2259169, 2374042, 4518338, 4748084, 6366749, 9036676, 12733498, 25466996, 70034239, 140068478, 280136956]

約数ペア:

[(1, 280136956), (2, 140068478), (4, 70034239), (11, 25466996), (22, 12733498), (31, 9036676), (44, 6366749), (59, 4748084), (62, 4518338), (118, 2374042), (124, 2259169), (236, 1187021), (341, 821516), (649, 431644), (682, 410758), (1298, 215822), (1364, 205379), (1829, 153164), (2596, 107911), (3481, 80476), (3658, 76582), (6962, 40238), (7316, 38291), (13924, 20119)]