1520451820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{3851}}^1$

素因数の和:4918

約数の個数: 48

約数和(自身を含む): 3365107200

約数和(自身を除く): 1844655380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1039, 2078, 3851, 4156, 5195, 7702, 10390, 15404, 19255, 19741, 20780, 38510, 39482, 73169, 77020, 78964, 98705, 146338, 197410, 292676, 365845, 394820, 731690, 1463380, 4001189, 8002378, 16004756, 20005945, 40011890, 76022591, 80023780, 152045182, 304090364, 380112955, 760225910, 1520451820]

約数ペア:

[(1, 1520451820), (2, 760225910), (4, 380112955), (5, 304090364), (10, 152045182), (19, 80023780), (20, 76022591), (38, 40011890), (76, 20005945), (95, 16004756), (190, 8002378), (380, 4001189), (1039, 1463380), (2078, 731690), (3851, 394820), (4156, 365845), (5195, 292676), (7702, 197410), (10390, 146338), (15404, 98705), (19255, 78964), (19741, 77020), (20780, 73169), (38510, 39482)]