90585860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1697}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 202822704

約数和(自身を除く): 112236844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1570, 1697, 2669, 3140, 3394, 5338, 6788, 8485, 10676, 13345, 16970, 26690, 28849, 33940, 53380, 57698, 115396, 144245, 266429, 288490, 532858, 576980, 1065716, 1332145, 2664290, 4529293, 5328580, 9058586, 18117172, 22646465, 45292930, 90585860]

約数ペア:

[(1, 90585860), (2, 45292930), (4, 22646465), (5, 18117172), (10, 9058586), (17, 5328580), (20, 4529293), (34, 2664290), (68, 1332145), (85, 1065716), (157, 576980), (170, 532858), (314, 288490), (340, 266429), (628, 144245), (785, 115396), (1570, 57698), (1697, 53380), (2669, 33940), (3140, 28849), (3394, 26690), (5338, 16970), (6788, 13345), (8485, 10676)]