17509520020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{2221}}^1$

素因数の和:2465

約数の個数: 96

約数和(自身を含む): 38434556160

約数和(自身を除く): 20925036140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 103, 172, 178, 206, 215, 356, 412, 430, 445, 515, 860, 890, 1030, 1780, 2060, 2221, 3827, 4429, 4442, 7654, 8858, 8884, 9167, 11105, 15308, 17716, 18334, 19135, 22145, 22210, 36668, 38270, 44290, 44420, 45835, 76540, 88580, 91670, 95503, 183340, 191006, 197669, 228763, 382012, 394181, 395338, 457526, 477515, 788362, 790676, 915052, 955030, 988345, 1143815, 1576724, 1910060, 1970905, 1976690, 2287630, 3941810, 3953380, 4575260, 7883620, 8499767, 9836809, 16999534, 19673618, 20359907, 33999068, 39347236, 40719814, 42498835, 49184045, 81439628, 84997670, 98368090, 101799535, 169995340, 196736180, 203599070, 407198140, 875476001, 1750952002, 3501904004, 4377380005, 8754760010, 17509520020]

約数ペア:

[(1, 17509520020), (2, 8754760010), (4, 4377380005), (5, 3501904004), (10, 1750952002), (20, 875476001), (43, 407198140), (86, 203599070), (89, 196736180), (103, 169995340), (172, 101799535), (178, 98368090), (206, 84997670), (215, 81439628), (356, 49184045), (412, 42498835), (430, 40719814), (445, 39347236), (515, 33999068), (860, 20359907), (890, 19673618), (1030, 16999534), (1780, 9836809), (2060, 8499767), (2221, 7883620), (3827, 4575260), (4429, 3953380), (4442, 3941810), (7654, 2287630), (8858, 1976690), (8884, 1970905), (9167, 1910060), (11105, 1576724), (15308, 1143815), (17716, 988345), (18334, 955030), (19135, 915052), (22145, 790676), (22210, 788362), (36668, 477515), (38270, 457526), (44290, 395338), (44420, 394181), (45835, 382012), (76540, 228763), (88580, 197669), (91670, 191006), (95503, 183340)]