30791860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2089}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 71628480

約数和(自身を除く): 40836620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2089, 2948, 3685, 4178, 7370, 8356, 10445, 14740, 20890, 22979, 41780, 45958, 91916, 114895, 139963, 229790, 279926, 459580, 559852, 699815, 1399630, 1539593, 2799260, 3079186, 6158372, 7697965, 15395930, 30791860]

約数ペア:

[(1, 30791860), (2, 15395930), (4, 7697965), (5, 6158372), (10, 3079186), (11, 2799260), (20, 1539593), (22, 1399630), (44, 699815), (55, 559852), (67, 459580), (110, 279926), (134, 229790), (220, 139963), (268, 114895), (335, 91916), (670, 45958), (737, 41780), (1340, 22979), (1474, 20890), (2089, 14740), (2948, 10445), (3685, 8356), (4178, 7370)]