56523460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 139416984

約数和(自身を除く): 82893524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 421, 490, 548, 685, 842, 959, 980, 1370, 1684, 1918, 2105, 2740, 2947, 3836, 4210, 4795, 5894, 6713, 8420, 9590, 11788, 13426, 14735, 19180, 20629, 26852, 29470, 33565, 41258, 57677, 58940, 67130, 82516, 103145, 115354, 134260, 206290, 230708, 288385, 403739, 412580, 576770, 807478, 1153540, 1614956, 2018695, 2826173, 4037390, 5652346, 8074780, 11304692, 14130865, 28261730, 56523460]

約数ペア:

[(1, 56523460), (2, 28261730), (4, 14130865), (5, 11304692), (7, 8074780), (10, 5652346), (14, 4037390), (20, 2826173), (28, 2018695), (35, 1614956), (49, 1153540), (70, 807478), (98, 576770), (137, 412580), (140, 403739), (196, 288385), (245, 230708), (274, 206290), (421, 134260), (490, 115354), (548, 103145), (685, 82516), (842, 67130), (959, 58940), (980, 57677), (1370, 41258), (1684, 33565), (1918, 29470), (2105, 26852), (2740, 20629), (2947, 19180), (3836, 14735), (4210, 13426), (4795, 11788), (5894, 9590), (6713, 8420)]