686173210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 1346554368

約数和(自身を除く): 660381158

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 157, 170, 235, 314, 470, 547, 785, 799, 1094, 1570, 1598, 2669, 2735, 3995, 5338, 5470, 7379, 7990, 9299, 13345, 14758, 18598, 25709, 26690, 36895, 46495, 51418, 73790, 85879, 92990, 125443, 128545, 171758, 250886, 257090, 429395, 437053, 627215, 858790, 874106, 1254430, 1459943, 2185265, 2919886, 4036313, 4370530, 7299715, 8072626, 14599430, 20181565, 40363130, 68617321, 137234642, 343086605, 686173210]

約数ペア:

[(1, 686173210), (2, 343086605), (5, 137234642), (10, 68617321), (17, 40363130), (34, 20181565), (47, 14599430), (85, 8072626), (94, 7299715), (157, 4370530), (170, 4036313), (235, 2919886), (314, 2185265), (470, 1459943), (547, 1254430), (785, 874106), (799, 858790), (1094, 627215), (1570, 437053), (1598, 429395), (2669, 257090), (2735, 250886), (3995, 171758), (5338, 128545), (5470, 125443), (7379, 92990), (7990, 85879), (9299, 73790), (13345, 51418), (14758, 46495), (18598, 36895), (25709, 26690)]