291398045360

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27805157}}^1$

素因数の和:27805301

約数の個数: 40

約数和(自身を含む): 682672239216

約数和(自身を除く): 391274193856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 27805157, 55610314, 111220628, 139025785, 222441256, 278051570, 444882512, 556103140, 1112206280, 2224412560, 3642475567, 7284951134, 14569902268, 18212377835, 29139804536, 36424755670, 58279609072, 72849511340, 145699022680, 291398045360]

約数ペア:

[(1, 291398045360), (2, 145699022680), (4, 72849511340), (5, 58279609072), (8, 36424755670), (10, 29139804536), (16, 18212377835), (20, 14569902268), (40, 7284951134), (80, 3642475567), (131, 2224412560), (262, 1112206280), (524, 556103140), (655, 444882512), (1048, 278051570), (1310, 222441256), (2096, 139025785), (2620, 111220628), (5240, 55610314), (10480, 27805157)]