1775808220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{4391}}^1$

素因数の和:4750

約数の個数: 48

約数和(自身を含む): 3794793408

約数和(自身を除く): 2018985188

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 277, 292, 365, 554, 730, 1108, 1385, 1460, 2770, 4391, 5540, 8782, 17564, 20221, 21955, 40442, 43910, 80884, 87820, 101105, 202210, 320543, 404420, 641086, 1216307, 1282172, 1602715, 2432614, 3205430, 4865228, 6081535, 6410860, 12163070, 24326140, 88790411, 177580822, 355161644, 443952055, 887904110, 1775808220]

約数ペア:

[(1, 1775808220), (2, 887904110), (4, 443952055), (5, 355161644), (10, 177580822), (20, 88790411), (73, 24326140), (146, 12163070), (277, 6410860), (292, 6081535), (365, 4865228), (554, 3205430), (730, 2432614), (1108, 1602715), (1385, 1282172), (1460, 1216307), (2770, 641086), (4391, 404420), (5540, 320543), (8782, 202210), (17564, 101105), (20221, 87820), (21955, 80884), (40442, 43910)]