686490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{467}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 1920672

約数和(自身を除く): 1234182

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 467, 490, 735, 934, 1401, 1470, 2335, 2802, 3269, 4670, 6538, 7005, 9807, 14010, 16345, 19614, 22883, 32690, 45766, 49035, 68649, 98070, 114415, 137298, 228830, 343245, 686490]

約数ペア:

[(1, 686490), (2, 343245), (3, 228830), (5, 137298), (6, 114415), (7, 98070), (10, 68649), (14, 49035), (15, 45766), (21, 32690), (30, 22883), (35, 19614), (42, 16345), (49, 14010), (70, 9807), (98, 7005), (105, 6538), (147, 4670), (210, 3269), (245, 2802), (294, 2335), (467, 1470), (490, 1401), (735, 934)]