617539850

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1901}}^1$

素因数の和:2075

約数の個数: 48

約数和(自身を含む): 1178060760

約数和(自身を除く): 560520910

約数列:

[1, 2, 5, 10, 25, 50, 73, 89, 146, 178, 365, 445, 730, 890, 1825, 1901, 2225, 3650, 3802, 4450, 6497, 9505, 12994, 19010, 32485, 47525, 64970, 95050, 138773, 162425, 169189, 277546, 324850, 338378, 693865, 845945, 1387730, 1691890, 3469325, 4229725, 6938650, 8459450, 12350797, 24701594, 61753985, 123507970, 308769925, 617539850]

約数ペア:

[(1, 617539850), (2, 308769925), (5, 123507970), (10, 61753985), (25, 24701594), (50, 12350797), (73, 8459450), (89, 6938650), (146, 4229725), (178, 3469325), (365, 1691890), (445, 1387730), (730, 845945), (890, 693865), (1825, 338378), (1901, 324850), (2225, 277546), (3650, 169189), (3802, 162425), (4450, 138773), (6497, 95050), (9505, 64970), (12994, 47525), (19010, 32485)]