8001721750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4139}}^1$

素因数の和:4223

約数の個数: 128

約数和(自身を含む): 17670182400

約数和(自身を除く): 9668460650

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 37, 38, 50, 55, 74, 95, 110, 125, 185, 190, 209, 250, 275, 370, 407, 418, 475, 550, 703, 814, 925, 950, 1045, 1375, 1406, 1850, 2035, 2090, 2375, 2750, 3515, 4070, 4139, 4625, 4750, 5225, 7030, 7733, 8278, 9250, 10175, 10450, 15466, 17575, 20350, 20695, 26125, 35150, 38665, 41390, 45529, 50875, 52250, 77330, 78641, 87875, 91058, 101750, 103475, 153143, 157282, 175750, 193325, 206950, 227645, 306286, 386650, 393205, 455290, 517375, 765715, 786410, 865051, 966625, 1034750, 1138225, 1531430, 1684573, 1730102, 1933250, 1966025, 2276450, 2909717, 3369146, 3828575, 3932050, 4325255, 5691125, 5819434, 7657150, 8422865, 8650510, 9830125, 11382250, 14548585, 16845730, 19142875, 19660250, 21626275, 29097170, 32006887, 38285750, 42114325, 43252550, 64013774, 72742925, 84228650, 108131375, 145485850, 160034435, 210571625, 216262750, 320068870, 363714625, 421143250, 727429250, 800172175, 1600344350, 4000860875, 8001721750]

約数ペア:

[(1, 8001721750), (2, 4000860875), (5, 1600344350), (10, 800172175), (11, 727429250), (19, 421143250), (22, 363714625), (25, 320068870), (37, 216262750), (38, 210571625), (50, 160034435), (55, 145485850), (74, 108131375), (95, 84228650), (110, 72742925), (125, 64013774), (185, 43252550), (190, 42114325), (209, 38285750), (250, 32006887), (275, 29097170), (370, 21626275), (407, 19660250), (418, 19142875), (475, 16845730), (550, 14548585), (703, 11382250), (814, 9830125), (925, 8650510), (950, 8422865), (1045, 7657150), (1375, 5819434), (1406, 5691125), (1850, 4325255), (2035, 3932050), (2090, 3828575), (2375, 3369146), (2750, 2909717), (3515, 2276450), (4070, 1966025), (4139, 1933250), (4625, 1730102), (4750, 1684573), (5225, 1531430), (7030, 1138225), (7733, 1034750), (8278, 966625), (9250, 865051), (10175, 786410), (10450, 765715), (15466, 517375), (17575, 455290), (20350, 393205), (20695, 386650), (26125, 306286), (35150, 227645), (38665, 206950), (41390, 193325), (45529, 175750), (50875, 157282), (52250, 153143), (77330, 103475), (78641, 101750), (87875, 91058)]