1788431620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{276847}}^1$

素因数の和:276892

約数の個数: 48

約数和(自身を含む): 4185941760

約数和(自身を除く): 2397510140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 276847, 553694, 1107388, 1384235, 2768470, 4706399, 5260093, 5536940, 9412798, 10520186, 18825596, 21040372, 23531995, 26300465, 47063990, 52600930, 89421581, 94127980, 105201860, 178843162, 357686324, 447107905, 894215810, 1788431620]

約数ペア:

[(1, 1788431620), (2, 894215810), (4, 447107905), (5, 357686324), (10, 178843162), (17, 105201860), (19, 94127980), (20, 89421581), (34, 52600930), (38, 47063990), (68, 26300465), (76, 23531995), (85, 21040372), (95, 18825596), (170, 10520186), (190, 9412798), (323, 5536940), (340, 5260093), (380, 4706399), (646, 2768470), (1292, 1384235), (1615, 1107388), (3230, 553694), (6460, 276847)]