2005145996

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1\times {\mathrm{457}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 4039560000

約数和(自身を除く): 2034414004

約数列:

[1, 2, 4, 7, 14, 28, 349, 449, 457, 698, 898, 914, 1396, 1796, 1828, 2443, 3143, 3199, 4886, 6286, 6398, 9772, 12572, 12796, 156701, 159493, 205193, 313402, 318986, 410386, 626804, 637972, 820772, 1096907, 1116451, 1436351, 2193814, 2232902, 2872702, 4387628, 4465804, 5745404, 71612357, 143224714, 286449428, 501286499, 1002572998, 2005145996]

約数ペア:

[(1, 2005145996), (2, 1002572998), (4, 501286499), (7, 286449428), (14, 143224714), (28, 71612357), (349, 5745404), (449, 4465804), (457, 4387628), (698, 2872702), (898, 2232902), (914, 2193814), (1396, 1436351), (1796, 1116451), (1828, 1096907), (2443, 820772), (3143, 637972), (3199, 626804), (4886, 410386), (6286, 318986), (6398, 313402), (9772, 205193), (12572, 159493), (12796, 156701)]