19731990050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{331909}}^1$

素因数の和:331991

約数の個数: 48

約数和(自身を含む): 38893213800

約数和(自身を除く): 19161223750

約数列:

[1, 2, 5, 10, 25, 29, 41, 50, 58, 82, 145, 205, 290, 410, 725, 1025, 1189, 1450, 2050, 2378, 5945, 11890, 29725, 59450, 331909, 663818, 1659545, 3319090, 8297725, 9625361, 13608269, 16595450, 19250722, 27216538, 48126805, 68041345, 96253610, 136082690, 240634025, 340206725, 394639801, 481268050, 680413450, 789279602, 1973199005, 3946398010, 9865995025, 19731990050]

約数ペア:

[(1, 19731990050), (2, 9865995025), (5, 3946398010), (10, 1973199005), (25, 789279602), (29, 680413450), (41, 481268050), (50, 394639801), (58, 340206725), (82, 240634025), (145, 136082690), (205, 96253610), (290, 68041345), (410, 48126805), (725, 27216538), (1025, 19250722), (1189, 16595450), (1450, 13608269), (2050, 9625361), (2378, 8297725), (5945, 3319090), (11890, 1659545), (29725, 663818), (59450, 331909)]