38857420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{641}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 93619008

約数和(自身を除く): 54761588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 433, 641, 866, 1282, 1732, 2165, 2564, 3031, 3205, 4330, 4487, 6062, 6410, 8660, 8974, 12124, 12820, 15155, 17948, 22435, 30310, 44870, 60620, 89740, 277553, 555106, 1110212, 1387765, 1942871, 2775530, 3885742, 5551060, 7771484, 9714355, 19428710, 38857420]

約数ペア:

[(1, 38857420), (2, 19428710), (4, 9714355), (5, 7771484), (7, 5551060), (10, 3885742), (14, 2775530), (20, 1942871), (28, 1387765), (35, 1110212), (70, 555106), (140, 277553), (433, 89740), (641, 60620), (866, 44870), (1282, 30310), (1732, 22435), (2165, 17948), (2564, 15155), (3031, 12820), (3205, 12124), (4330, 8974), (4487, 8660), (6062, 6410)]