667050020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{366511}}^1$

素因数の和:366540

約数の個数: 48

約数和(自身を含む): 1724072448

約数和(自身を除く): 1057022428

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, 366511, 733022, 1466044, 1832555, 2565577, 3665110, 4764643, 5131154, 7330220, 9529286, 10262308, 12827885, 19058572, 23823215, 25655770, 33352501, 47646430, 51311540, 66705002, 95292860, 133410004, 166762505, 333525010, 667050020]

約数ペア:

[(1, 667050020), (2, 333525010), (4, 166762505), (5, 133410004), (7, 95292860), (10, 66705002), (13, 51311540), (14, 47646430), (20, 33352501), (26, 25655770), (28, 23823215), (35, 19058572), (52, 12827885), (65, 10262308), (70, 9529286), (91, 7330220), (130, 5131154), (140, 4764643), (182, 3665110), (260, 2565577), (364, 1832555), (455, 1466044), (910, 733022), (1820, 366511)]