254604860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{2459}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 555448320

約数和(自身を除く): 300843460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 1670, 2459, 3340, 4918, 5177, 9836, 10354, 12295, 20708, 24590, 25885, 49180, 51770, 76229, 103540, 152458, 304916, 381145, 410653, 762290, 821306, 1524580, 1642612, 2053265, 4106530, 8213060, 12730243, 25460486, 50920972, 63651215, 127302430, 254604860]

約数ペア:

[(1, 254604860), (2, 127302430), (4, 63651215), (5, 50920972), (10, 25460486), (20, 12730243), (31, 8213060), (62, 4106530), (124, 2053265), (155, 1642612), (167, 1524580), (310, 821306), (334, 762290), (620, 410653), (668, 381145), (835, 304916), (1670, 152458), (2459, 103540), (3340, 76229), (4918, 51770), (5177, 49180), (9836, 25885), (10354, 24590), (12295, 20708)]