42882980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1951}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 103627776

約数和(自身を除く): 60744796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 1951, 2198, 3140, 3902, 4396, 5495, 7804, 9755, 10990, 13657, 19510, 21980, 27314, 39020, 54628, 68285, 136570, 273140, 306307, 612614, 1225228, 1531535, 2144149, 3063070, 4288298, 6126140, 8576596, 10720745, 21441490, 42882980]

約数ペア:

[(1, 42882980), (2, 21441490), (4, 10720745), (5, 8576596), (7, 6126140), (10, 4288298), (14, 3063070), (20, 2144149), (28, 1531535), (35, 1225228), (70, 612614), (140, 306307), (157, 273140), (314, 136570), (628, 68285), (785, 54628), (1099, 39020), (1570, 27314), (1951, 21980), (2198, 19510), (3140, 13657), (3902, 10990), (4396, 9755), (5495, 7804)]