42778225

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:814

約数の個数: 36

約数和(自身を含む): 63103104

約数和(自身を除く): 20324879

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 235, 245, 329, 743, 1175, 1225, 1645, 2303, 3715, 5201, 8225, 11515, 18575, 26005, 34921, 36407, 57575, 130025, 174605, 182035, 244447, 873025, 910175, 1222235, 1711129, 6111175, 8555645, 42778225]

約数ペア:

[(1, 42778225), (5, 8555645), (7, 6111175), (25, 1711129), (35, 1222235), (47, 910175), (49, 873025), (175, 244447), (235, 182035), (245, 174605), (329, 130025), (743, 57575), (1175, 36407), (1225, 34921), (1645, 26005), (2303, 18575), (3715, 11515), (5201, 8225)]