86866220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 214081056

約数和(自身を除く): 127214836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 490, 548, 647, 685, 959, 980, 1294, 1370, 1918, 2588, 2740, 3235, 3836, 4529, 4795, 6470, 6713, 9058, 9590, 12940, 13426, 18116, 19180, 22645, 26852, 31703, 33565, 45290, 63406, 67130, 88639, 90580, 126812, 134260, 158515, 177278, 317030, 354556, 443195, 620473, 634060, 886390, 1240946, 1772780, 2481892, 3102365, 4343311, 6204730, 8686622, 12409460, 17373244, 21716555, 43433110, 86866220]

約数ペア:

[(1, 86866220), (2, 43433110), (4, 21716555), (5, 17373244), (7, 12409460), (10, 8686622), (14, 6204730), (20, 4343311), (28, 3102365), (35, 2481892), (49, 1772780), (70, 1240946), (98, 886390), (137, 634060), (140, 620473), (196, 443195), (245, 354556), (274, 317030), (490, 177278), (548, 158515), (647, 134260), (685, 126812), (959, 90580), (980, 88639), (1294, 67130), (1370, 63406), (1918, 45290), (2588, 33565), (2740, 31703), (3235, 26852), (3836, 22645), (4529, 19180), (4795, 18116), (6470, 13426), (6713, 12940), (9058, 9590)]