7683980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 17280480

約数和(自身を除く): 9596500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 277, 292, 365, 380, 554, 730, 1108, 1385, 1387, 1460, 2770, 2774, 5263, 5540, 5548, 6935, 10526, 13870, 20221, 21052, 26315, 27740, 40442, 52630, 80884, 101105, 105260, 202210, 384199, 404420, 768398, 1536796, 1920995, 3841990, 7683980]

約数ペア:

[(1, 7683980), (2, 3841990), (4, 1920995), (5, 1536796), (10, 768398), (19, 404420), (20, 384199), (38, 202210), (73, 105260), (76, 101105), (95, 80884), (146, 52630), (190, 40442), (277, 27740), (292, 26315), (365, 21052), (380, 20221), (554, 13870), (730, 10526), (1108, 6935), (1385, 5548), (1387, 5540), (1460, 5263), (2770, 2774)]