238778888

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{67}}^2\times {\mathrm{109}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 466181100

約数和(自身を除く): 227402212

約数列:

[1, 2, 4, 8, 61, 67, 109, 122, 134, 218, 244, 268, 436, 488, 536, 872, 4087, 4489, 6649, 7303, 8174, 8978, 13298, 14606, 16348, 17956, 26596, 29212, 32696, 35912, 53192, 58424, 273829, 445483, 489301, 547658, 890966, 978602, 1095316, 1781932, 1957204, 2190632, 3563864, 3914408, 29847361, 59694722, 119389444, 238778888]

約数ペア:

[(1, 238778888), (2, 119389444), (4, 59694722), (8, 29847361), (61, 3914408), (67, 3563864), (109, 2190632), (122, 1957204), (134, 1781932), (218, 1095316), (244, 978602), (268, 890966), (436, 547658), (488, 489301), (536, 445483), (872, 273829), (4087, 58424), (4489, 53192), (6649, 35912), (7303, 32696), (8174, 29212), (8978, 26596), (13298, 17956), (14606, 16348)]