27228140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 61017600

約数和(自身を除く): 33789460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 907, 1501, 1580, 1814, 3002, 3628, 4535, 6004, 7505, 9070, 15010, 17233, 18140, 30020, 34466, 68932, 71653, 86165, 143306, 172330, 286612, 344660, 358265, 716530, 1361407, 1433060, 2722814, 5445628, 6807035, 13614070, 27228140]

約数ペア:

[(1, 27228140), (2, 13614070), (4, 6807035), (5, 5445628), (10, 2722814), (19, 1433060), (20, 1361407), (38, 716530), (76, 358265), (79, 344660), (95, 286612), (158, 172330), (190, 143306), (316, 86165), (380, 71653), (395, 68932), (790, 34466), (907, 30020), (1501, 18140), (1580, 17233), (1814, 15010), (3002, 9070), (3628, 7505), (4535, 6004)]