140878612

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 288090880

約数和(自身を除く): 147212268

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 157, 292, 314, 439, 511, 628, 878, 1022, 1099, 1756, 2044, 2198, 3073, 4396, 6146, 11461, 12292, 22922, 32047, 45844, 64094, 68923, 80227, 128188, 137846, 160454, 224329, 275692, 320908, 448658, 482461, 897316, 964922, 1929844, 5031379, 10062758, 20125516, 35219653, 70439306, 140878612]

約数ペア:

[(1, 140878612), (2, 70439306), (4, 35219653), (7, 20125516), (14, 10062758), (28, 5031379), (73, 1929844), (146, 964922), (157, 897316), (292, 482461), (314, 448658), (439, 320908), (511, 275692), (628, 224329), (878, 160454), (1022, 137846), (1099, 128188), (1756, 80227), (2044, 68923), (2198, 64094), (3073, 45844), (4396, 32047), (6146, 22922), (11461, 12292)]