28240590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1511}}^1$

素因数の和:1617

約数の個数: 64

約数和(自身を含む): 78382080

約数和(自身を除く): 50141490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1246, 1335, 1511, 1869, 2670, 3022, 3115, 3738, 4533, 6230, 7555, 9066, 9345, 10577, 15110, 18690, 21154, 22665, 31731, 45330, 52885, 63462, 105770, 134479, 158655, 268958, 317310, 403437, 672395, 806874, 941353, 1344790, 1882706, 2017185, 2824059, 4034370, 4706765, 5648118, 9413530, 14120295, 28240590]

約数ペア:

[(1, 28240590), (2, 14120295), (3, 9413530), (5, 5648118), (6, 4706765), (7, 4034370), (10, 2824059), (14, 2017185), (15, 1882706), (21, 1344790), (30, 941353), (35, 806874), (42, 672395), (70, 403437), (89, 317310), (105, 268958), (178, 158655), (210, 134479), (267, 105770), (445, 63462), (534, 52885), (623, 45330), (890, 31731), (1246, 22665), (1335, 21154), (1511, 18690), (1869, 15110), (2670, 10577), (3022, 9345), (3115, 9066), (3738, 7555), (4533, 6230)]