515521020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1227431}}^1$

素因数の和:1227450

約数の個数: 48

約数和(自身を含む): 1649668608

約数和(自身を除く): 1134147588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1227431, 2454862, 3682293, 4909724, 6137155, 7364586, 8592017, 12274310, 14729172, 17184034, 18411465, 24548620, 25776051, 34368068, 36822930, 42960085, 51552102, 73645860, 85920170, 103104204, 128880255, 171840340, 257760510, 515521020]

約数ペア:

[(1, 515521020), (2, 257760510), (3, 171840340), (4, 128880255), (5, 103104204), (6, 85920170), (7, 73645860), (10, 51552102), (12, 42960085), (14, 36822930), (15, 34368068), (20, 25776051), (21, 24548620), (28, 18411465), (30, 17184034), (35, 14729172), (42, 12274310), (60, 8592017), (70, 7364586), (84, 6137155), (105, 4909724), (140, 3682293), (210, 2454862), (420, 1227431)]