907472020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{498611}}^1$

素因数の和:498640

約数の個数: 48

約数和(自身を含む): 2345470848

約数和(自身を除く): 1437998828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 498611, 997222, 1994444, 2493055, 3490277, 4986110, 6481943, 6980554, 9972220, 12963886, 13961108, 17451385, 25927772, 32409715, 34902770, 45373601, 64819430, 69805540, 90747202, 129638860, 181494404, 226868005, 453736010, 907472020]

約数ペア:

[(1, 907472020), (2, 453736010), (4, 226868005), (5, 181494404), (7, 129638860), (10, 90747202), (13, 69805540), (14, 64819430), (20, 45373601), (26, 34902770), (28, 32409715), (35, 25927772), (52, 17451385), (65, 13961108), (70, 12963886), (91, 9972220), (130, 6980554), (140, 6481943), (182, 4986110), (260, 3490277), (364, 2493055), (455, 1994444), (910, 997222), (1820, 498611)]