78447820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1217}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 180478368

約数和(自身を除く): 102030548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 293, 586, 1172, 1217, 1465, 2434, 2930, 3223, 4868, 5860, 6085, 6446, 12170, 12892, 13387, 16115, 24340, 26774, 32230, 53548, 64460, 66935, 133870, 267740, 356581, 713162, 1426324, 1782905, 3565810, 3922391, 7131620, 7844782, 15689564, 19611955, 39223910, 78447820]

約数ペア:

[(1, 78447820), (2, 39223910), (4, 19611955), (5, 15689564), (10, 7844782), (11, 7131620), (20, 3922391), (22, 3565810), (44, 1782905), (55, 1426324), (110, 713162), (220, 356581), (293, 267740), (586, 133870), (1172, 66935), (1217, 64460), (1465, 53548), (2434, 32230), (2930, 26774), (3223, 24340), (4868, 16115), (5860, 13387), (6085, 12892), (6446, 12170)]