1261185100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{4493}}^1$

素因数の和:4915

約数の個数: 72

約数和(自身を含む): 3136236768

約数和(自身を除く): 1875051668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 401, 700, 802, 1604, 2005, 2807, 4010, 4493, 5614, 8020, 8986, 10025, 11228, 14035, 17972, 20050, 22465, 28070, 31451, 40100, 44930, 56140, 62902, 70175, 89860, 112325, 125804, 140350, 157255, 224650, 280700, 314510, 449300, 629020, 786275, 1572550, 1801693, 3145100, 3603386, 7206772, 9008465, 12611851, 18016930, 25223702, 36033860, 45042325, 50447404, 63059255, 90084650, 126118510, 180169300, 252237020, 315296275, 630592550, 1261185100]

約数ペア:

[(1, 1261185100), (2, 630592550), (4, 315296275), (5, 252237020), (7, 180169300), (10, 126118510), (14, 90084650), (20, 63059255), (25, 50447404), (28, 45042325), (35, 36033860), (50, 25223702), (70, 18016930), (100, 12611851), (140, 9008465), (175, 7206772), (350, 3603386), (401, 3145100), (700, 1801693), (802, 1572550), (1604, 786275), (2005, 629020), (2807, 449300), (4010, 314510), (4493, 280700), (5614, 224650), (8020, 157255), (8986, 140350), (10025, 125804), (11228, 112325), (14035, 89860), (17972, 70175), (20050, 62902), (22465, 56140), (28070, 44930), (31451, 40100)]