2011122440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{11783}}^1$

素因数の和:12062

約数の個数: 64

約数和(自身を含む): 4810700160

約数和(自身を除く): 2799577720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 251, 340, 502, 680, 1004, 1255, 2008, 2510, 4267, 5020, 8534, 10040, 11783, 17068, 21335, 23566, 34136, 42670, 47132, 58915, 85340, 94264, 117830, 170680, 200311, 235660, 400622, 471320, 801244, 1001555, 1602488, 2003110, 2957533, 4006220, 5915066, 8012440, 11830132, 14787665, 23660264, 29575330, 50278061, 59150660, 100556122, 118301320, 201112244, 251390305, 402224488, 502780610, 1005561220, 2011122440]

約数ペア:

[(1, 2011122440), (2, 1005561220), (4, 502780610), (5, 402224488), (8, 251390305), (10, 201112244), (17, 118301320), (20, 100556122), (34, 59150660), (40, 50278061), (68, 29575330), (85, 23660264), (136, 14787665), (170, 11830132), (251, 8012440), (340, 5915066), (502, 4006220), (680, 2957533), (1004, 2003110), (1255, 1602488), (2008, 1001555), (2510, 801244), (4267, 471320), (5020, 400622), (8534, 235660), (10040, 200311), (11783, 170680), (17068, 117830), (21335, 94264), (23566, 85340), (34136, 58915), (42670, 47132)]