2009091280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211039}}^1$

素因数の和:211076

約数の個数: 80

約数和(自身を含む): 5652495360

約数和(自身を除く): 3643404080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 211039, 422078, 844156, 1055195, 1477273, 1688312, 2110390, 2954546, 3376624, 3587663, 4220780, 5909092, 7175326, 7386365, 8441560, 11818184, 14350652, 14772730, 16883120, 17938315, 23636368, 25113641, 28701304, 29545460, 35876630, 50227282, 57402608, 59090920, 71753260, 100454564, 118181840, 125568205, 143506520, 200909128, 251136410, 287013040, 401818256, 502272820, 1004545640, 2009091280]

約数ペア:

[(1, 2009091280), (2, 1004545640), (4, 502272820), (5, 401818256), (7, 287013040), (8, 251136410), (10, 200909128), (14, 143506520), (16, 125568205), (17, 118181840), (20, 100454564), (28, 71753260), (34, 59090920), (35, 57402608), (40, 50227282), (56, 35876630), (68, 29545460), (70, 28701304), (80, 25113641), (85, 23636368), (112, 17938315), (119, 16883120), (136, 14772730), (140, 14350652), (170, 11818184), (238, 8441560), (272, 7386365), (280, 7175326), (340, 5909092), (476, 4220780), (560, 3587663), (595, 3376624), (680, 2954546), (952, 2110390), (1190, 1688312), (1360, 1477273), (1904, 1055195), (2380, 844156), (4760, 422078), (9520, 211039)]