123231310

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 225763200

約数和(自身を除く): 102531890

約数列:

[1, 2, 5, 10, 79, 158, 389, 395, 401, 778, 790, 802, 1945, 2005, 3890, 4010, 30731, 31679, 61462, 63358, 153655, 155989, 158395, 307310, 311978, 316790, 779945, 1559890, 12323131, 24646262, 61615655, 123231310]

約数ペア:

[(1, 123231310), (2, 61615655), (5, 24646262), (10, 12323131), (79, 1559890), (158, 779945), (389, 316790), (395, 311978), (401, 307310), (778, 158395), (790, 155989), (802, 153655), (1945, 63358), (2005, 61462), (3890, 31679), (4010, 30731)]