201904450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^2$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 434369520

約数和(自身を除く): 232465070

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 139, 190, 209, 275, 278, 418, 475, 550, 695, 950, 1045, 1390, 1529, 2090, 2641, 3058, 3475, 5225, 5282, 6950, 7645, 10450, 13205, 15290, 19321, 26410, 29051, 38225, 38642, 58102, 66025, 76450, 96605, 132050, 145255, 193210, 212531, 290510, 367099, 425062, 483025, 726275, 734198, 966050, 1062655, 1452550, 1835495, 2125310, 3670990, 4038089, 5313275, 8076178, 9177475, 10626550, 18354950, 20190445, 40380890, 100952225, 201904450]

約数ペア:

[(1, 201904450), (2, 100952225), (5, 40380890), (10, 20190445), (11, 18354950), (19, 10626550), (22, 9177475), (25, 8076178), (38, 5313275), (50, 4038089), (55, 3670990), (95, 2125310), (110, 1835495), (139, 1452550), (190, 1062655), (209, 966050), (275, 734198), (278, 726275), (418, 483025), (475, 425062), (550, 367099), (695, 290510), (950, 212531), (1045, 193210), (1390, 145255), (1529, 132050), (2090, 96605), (2641, 76450), (3058, 66025), (3475, 58102), (5225, 38642), (5282, 38225), (6950, 29051), (7645, 26410), (10450, 19321), (13205, 15290)]