4279820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 9555840

約数和(自身を除く): 5276020

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 157, 188, 235, 290, 314, 470, 580, 628, 785, 940, 1363, 1570, 2726, 3140, 4553, 5452, 6815, 7379, 9106, 13630, 14758, 18212, 22765, 27260, 29516, 36895, 45530, 73790, 91060, 147580, 213991, 427982, 855964, 1069955, 2139910, 4279820]

約数ペア:

[(1, 4279820), (2, 2139910), (4, 1069955), (5, 855964), (10, 427982), (20, 213991), (29, 147580), (47, 91060), (58, 73790), (94, 45530), (116, 36895), (145, 29516), (157, 27260), (188, 22765), (235, 18212), (290, 14758), (314, 13630), (470, 9106), (580, 7379), (628, 6815), (785, 5452), (940, 4553), (1363, 3140), (1570, 2726)]