265700540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1979}}^1$

素因数の和:2139

約数の個数: 72

約数和(自身を含む): 654136560

約数和(自身を除く): 388436020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 490, 548, 685, 959, 980, 1370, 1918, 1979, 2740, 3836, 3958, 4795, 6713, 7916, 9590, 9895, 13426, 13853, 19180, 19790, 26852, 27706, 33565, 39580, 55412, 67130, 69265, 96971, 134260, 138530, 193942, 271123, 277060, 387884, 484855, 542246, 969710, 1084492, 1355615, 1897861, 1939420, 2711230, 3795722, 5422460, 7591444, 9489305, 13285027, 18978610, 26570054, 37957220, 53140108, 66425135, 132850270, 265700540]

約数ペア:

[(1, 265700540), (2, 132850270), (4, 66425135), (5, 53140108), (7, 37957220), (10, 26570054), (14, 18978610), (20, 13285027), (28, 9489305), (35, 7591444), (49, 5422460), (70, 3795722), (98, 2711230), (137, 1939420), (140, 1897861), (196, 1355615), (245, 1084492), (274, 969710), (490, 542246), (548, 484855), (685, 387884), (959, 277060), (980, 271123), (1370, 193942), (1918, 138530), (1979, 134260), (2740, 96971), (3836, 69265), (3958, 67130), (4795, 55412), (6713, 39580), (7916, 33565), (9590, 27706), (9895, 26852), (13426, 19790), (13853, 19180)]