1982051225

素因数分解:

$5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{21013}}^1$

素因数の和:21055

約数の個数: 48

約数和(自身を含む): 3126883200

約数和(自身を除く): 1144831975

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 343, 385, 539, 1225, 1715, 1925, 2695, 3773, 8575, 13475, 18865, 21013, 94325, 105065, 147091, 231143, 525325, 735455, 1029637, 1155715, 1618001, 3677275, 5148185, 5778575, 7207459, 8090005, 11326007, 25740925, 36037295, 40450025, 56630035, 79282049, 180186475, 283150175, 396410245, 1982051225]

約数ペア:

[(1, 1982051225), (5, 396410245), (7, 283150175), (11, 180186475), (25, 79282049), (35, 56630035), (49, 40450025), (55, 36037295), (77, 25740925), (175, 11326007), (245, 8090005), (275, 7207459), (343, 5778575), (385, 5148185), (539, 3677275), (1225, 1618001), (1715, 1155715), (1925, 1029637), (2695, 735455), (3773, 525325), (8575, 231143), (13475, 147091), (18865, 105065), (21013, 94325)]