194769640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{374557}}^1$

素因数の和:374581

約数の個数: 32

約数和(自身を含む): 471943080

約数和(自身を除く): 277173440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 374557, 749114, 1498228, 1872785, 2996456, 3745570, 4869241, 7491140, 9738482, 14982280, 19476964, 24346205, 38953928, 48692410, 97384820, 194769640]

約数ペア:

[(1, 194769640), (2, 97384820), (4, 48692410), (5, 38953928), (8, 24346205), (10, 19476964), (13, 14982280), (20, 9738482), (26, 7491140), (40, 4869241), (52, 3745570), (65, 2996456), (104, 1872785), (130, 1498228), (260, 749114), (520, 374557)]