207957890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1171}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 445547520

約数和(自身を除く): 237589630

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 59, 70, 86, 118, 215, 295, 301, 413, 430, 590, 602, 826, 1171, 1505, 2065, 2342, 2537, 3010, 4130, 5074, 5855, 8197, 11710, 12685, 16394, 17759, 25370, 35518, 40985, 50353, 69089, 81970, 88795, 100706, 138178, 177590, 251765, 345445, 352471, 483623, 503530, 690890, 704942, 967246, 1762355, 2418115, 2970827, 3524710, 4836230, 5941654, 14854135, 20795789, 29708270, 41591578, 103978945, 207957890]

約数ペア:

[(1, 207957890), (2, 103978945), (5, 41591578), (7, 29708270), (10, 20795789), (14, 14854135), (35, 5941654), (43, 4836230), (59, 3524710), (70, 2970827), (86, 2418115), (118, 1762355), (215, 967246), (295, 704942), (301, 690890), (413, 503530), (430, 483623), (590, 352471), (602, 345445), (826, 251765), (1171, 177590), (1505, 138178), (2065, 100706), (2342, 88795), (2537, 81970), (3010, 69089), (4130, 50353), (5074, 40985), (5855, 35518), (8197, 25370), (11710, 17759), (12685, 16394)]